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No running water, 5 dead mice: Latest Kansas City-area restaurant inspections
A food truck, Jamaican restaurant and grocery store had some of the most health code violations in the metro recently.
Sports/Rec calendar: April 3–12, 2026
Upcoming recreation opportunities and college and prep sports
CURRENT SPORTS ROUNDUP
Veteran girls tennis preps for more success in 2026 Tracy Ackerman is only days away from beginning her 10th season as the Marblehead High girls tennis coach. Rival Masco will provide the competition in Chieftain country on Monday, April 6, at 4 p.m. The Magicians will follow that up with the home opener four days
Tim Cook explores rare iPod, iPhone prototypes in new interview [Video]
Apple’s 50th anniversary celebration continues, this time with a fascinating new video from The Wall Street Journal. In the video,...
Robinhood distances sports sponsorships strategy from prediction markets
As Michael Jordan's 23XI Racing drives Robinhood-sponsored cars to the top of the NASCAR standings, fans can also use Robinhood's app to wager on race outcomes and other sporting events.
Scientists Create Plant That Produces Ayahuasca, Shrooms, and Toad Psychedelics All At Once
The proof-of-concept system produces psilocybin, DMT, and other compounds in leaves of the tobacco plant, potentially easing pressure on wild species and preserving Indigenous traditions.
Italy’s World Cup fiasco sparks political fury
Fallout from Bosnia defeat was the first thing on the parliamentary agenda Wednesday morning.
Cardiovascular health in pregnancy according to Life’s Essential 8 score
npj Cardiovascular Health - Cardiovascular health in pregnancy according to Life’s Essential 8 score
Smithville community rallies behind local businesses destroyed by strip mall fire
“Everybody is reaching out, businesses, individuals, customers, you know, everybody,” one business owner said.
Seeing double? How Norwegian Luna is different from its sister ships.
Norwegian Luna offers new entertainment, upper-deck attractions and Caribbean itineraries from Miami.
Daniel Dye Reinstated to Race but Parts Ways with Kaulig
NASCAR has reinstated Daniel Dye, but Dye will no longer drive for Kaulig Racing following his suspension for insensitive comments.
Rush Funplex proposes third KC metro entertainment center in Lee’s Summit
The metro already has Rush Funplex locations, which feature laser tag, go-karts and other entertainment, in the Northland and in Shawnee.
Snipers test signature management tech to enhance health and safety
Fort Benning, Ga. – The U.S. Army Sniper Course (USASC) at Fort Benning is working to improve sniper survivability and lethality in large-scale combat o...
Amazon’s satellite business gets another win as it seeks to challenge Musk’s Starlink
Delta Air Lines said it would equip hundreds of aircraft with Amazon’s nascent satellite-internet system.
Daily Horoscope: March 31: Time to Take Care of Business
See what your daily horoscope has in store for your zodiac sign, according to astrologer Valerie Mesa
UK HealthCare announces new director of Gill Heart & Vascular Institute
After an intensive national search and selection process, UK HealthCare leadership announced that Vedant Gupta, M.D., has been selected as the director of the Gill Heart & Vascular Institute and leader of the cardiovascular health service line.
Chris Buescher leaves Martinsville with healthy gap over Chase bubble
Chris Buescher leaves Martinsville Speedway with a healthy gap over the Chase bubble during the 2026 NASCAR Cup Series season.
Chris Buescher leaves Martinsville with healthy gap over Chase bubble
Chris Buescher leaves Martinsville Speedway with a healthy gap over the Chase bubble during the 2026 NASCAR Cup Series season.
Denny Hamlin 'couldn't believe' NASCAR caution length at Martinsville
He also offered some ideas, even if in vain
Following 9 key steps for a lifetime of eating well can support heart health
Statement Highlights: Sustaining lifelong healthy eating patterns may reduce the risk of cardiovascular disease and other chronic health issues, according to the latest updated dietary guidance offered in a new scientific statement from the American...
Mark Sanford makes a bid to return to Congress a third time from South Carolina
Mark Sanford, the former South Carolina congressman and governor whose political ascendency was stalled by a 2009 affair, wants to return to Congress — again.
Helen H. Hobbs, M.D., honored for innovation in cardiovascular science
Helen H. Hobbs, M.D., Professor in the Eugene McDermott Center for Human Growth and Development and of Internal Medicine and Molecular Genetics at UT Southwestern Medical Center, has been named the recipient of the 2026 Valentin Fuster Award for Innovation in Science by the American College of Cardiology (ACC).
A 2nd grader designed an adorable mascot for NASA’s Artemis II mission
'Rise' is a baseball hat-wearing plushie that will let the four-person crew know when they have officially hit zero gravity.
Why Data Scientists Should Care About Quantum Computing
Sara A. Metwalli on the rise of a promising new technology, the effects of LLM on her work, and more.
Kevin Harvick Surprised with News That He's a NASCAR Hall of Fame Nominee
Kevin Harvick's next stop might be in Charlotte. He was one of 15 people named as a nominee for the NASCAR Hall of Fame as part of the Class of 2027.
Private equity is eying Asia’s healthcare funding gap as countries get wealthier and older
“Asia has more diabetes, cancer and cardiovascular patients than anywhere else in the world,” Abrar Mir, co-founder of Quadria Capital, says.
Sleeping 11 minutes longer each night shows surprising health benefit, study finds
New research finds that small daily habits, including 11 more minutes of sleep and extra vegetables, are linked to a 10% lower cardiovascular risk.
‘Practice-changing’ interventional cardiology research grabs ACC.26 spotlight
The second day of the American College of Cardiology’s annual conference started with a series of highly anticipated interventional cardiology trials.
NASCAR Cup Series starting lineup at Martinsville in March 2026
Check out the NASCAR Cup Series starting lineup for the Cook Out 400 at Martinsville Speedway on Sunday afternoon in March 2026.
2026 Cook Out 400 predictions, odds, start time: NASCAR at Martinsville picks, best bets by proven model
Best bets for NASCAR at Martinsville as the 2026 Cook Out 400 unfolds on Sunday with Tyler Reddick atop the Cup Series standings
In politics and protest, the left is not always right
It may be time for many of us, in Kansas City and around the world, to step down from our pedestals and return to the narrow path of humility. | Opinion
Riverhounds unveil USL championship banner, top Sporting Club Jacksonville in home opener
AMO, the mascot for Riverhounds SC, has a new look. For one, the furry fellow has adopted black, Riverhounds-themed high-top sneakers. When AMO —...
Rural students get hands-on heart science experience
Jefferson County teacher Jasmine Change-Jones launched the 'Heart of Science' lab, giving rural students hands-on learning about cardiovascular health.
How Dems are committing political suicide over anti-ICE obsessions
Democrats now risk a midterm-elections fiasco if they can’t let go of their anti-ICE obsession, and their related insistence on protecting even violent-criminal illegal immigrants from deportation.
Letters to Sports: Bill Plaschke's Dodgers prediction is a winner
Readers of the L.A. Times Sports section give their thoughts on the Dodgers and Bill Plaschke's prediction they won't win another World Series (hint, they like it).
A nutrition scientist shared 3 food swaps for heart-healthy meals
Professor Sarah Berry, a nutrition scientist who specializes in cardiovascular disease, said getting the basics right can go a long way toward supporting our heart health.
Southwest Airlines joins the Certified Green Business list sponsored by the City of Dallas
The Office of Environmental Quality and Sustainability is proud to announce that Southwest Airlines has joined the Certified Green Business […]
University Park officials say SMU crosswalk doesn't violate state order
University Park officials say an intersection featuring the Southern Methodist University mascot is not in violation of Texas Gov. Greg Abbott’s order prohibiting decorative markings on state roads.
Analyst issues Texans caution over C.J Stroud contract
How the Texans approach this will be fascinating to watch.
Sports/Rec calendar: March 27–April 5, 2026
Upcoming recreation opportunities and college and prep sports
Registered Apprenticeship Small Business Grants Awarded; New Round Opens
Lieutenant Governor and Secretary of Commerce David Toland and the Kansas Office of Registered Apprenticeship today announced that $28,000 has been awarded to four small businesses across Kansas...
Business Titan Awarded Student Employee Scholarship
Business administration student Trisha Tran Truong was selected as the fall 2025 recipient of the Auxiliary Services Student Employee Scholarship, which recognizes a student employee who demonstrates academic dedication, leadership and a strong commitment to serving the campus community. Truong has been a member of the campus dining team since 2022, working at the on-campus […]
Xiaomi's EV business defies industry slump with standout profitability
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I didn’t pay attention to politics. Then my house fell down
This Overland Park independent voter is reminded of his father’s advice, and applies it to our democracy. | Opinion
Live Science Today: NASA announces $20 billion moonbase as unprecedented wildfires spread
Wednesday, March 25, 2026: Your daily roundup of the biggest science stories making headlines.
German Business Outlook Sinks as Iran War Puts Recovery ‘on Ice’
Germany’s business outlook soured as higher energy prices due to the Iran war threaten to derail its nascent economic revival.
IPS Students Showcase Data Science Skills with Pascal Siakam at Arsenal Tech
Pascal Siakam of the Indiana Pacers will visit Indianapolis Public Schools (IPS) on Thursdaay, March 26 to celebrate student achievements in the ‘Data Dunkers’ program. Driven by a partnership between the PS43 Foundation and Dell Technologies, this initiative leverages basketball to teach foundational STEM and data analysis skills. During the event, Siakam will meet with… Read More »IPS Students Showcase Data Science Skills with Pascal Siakam at Arsenal Tech
After Providence Health Plan Outsourcing Fiasco, the Cleanup Continues
One of Oregon’s largest health insurance plans announced in recent days it might be going up for sale but, in the meantime, it still has quite a bit of cleaning up to do.
Gender equality in science: a distant goal; invisible barriers persist
While the number of women in scientific organisations is increasing, the path towards true equality is slowed down by structural barriers and informal processes
Pacers Sports & Entertainment Launches Fieldhouse Media Network, Delivering First-Of-Its-Kind Global Media Channel for Partners
Deloitte and Yieldmo help PS&E to grow market size through first-party fan data while producing convertible ROI INDIANAPOLIS (March 24, 2026) – Pacers Sports & Entertainment today launched the Fieldhouse Media Network, a first-of-its-kind global AI-powered media platform built on authenticated sports fandom, giving brands measurable access to one of the most engaged audiences – the fan. Developed in collaboration with Deloitte and Yieldmo, the network leverages Yieldmo’s Ymax.ai, an advertising platform with a dedicated sports vertical, and Converge™ by Deloitte for Sports fan data platform built on Deloitte Ascend™ to activate first-party, authenticated data from approximately 250 million sports and entertainment fans worldwide in a privacy-safe, cookieless […]
Pacers Sports & Entertainment Launches Fieldhouse Media Network, Delivering First-Of-Its-Kind Global Media Channel for Partners
Deloitte and Yieldmo help PS&E to grow market size through first-party fan data while producing convertible ROI INDIANAPOLIS (March 24, 2026) – Pacers Sports & Entertainment today launched the Fieldhouse Media Network, a first-of-its-kind global AI-powered media platform built on authenticated sports fandom, giving brands measurable access to one of the most engaged audiences – the fan. Developed in collaboration with Deloitte and Yieldmo, the network leverages Yieldmo’s Ymax.ai, an advertising platform with a dedicated sports vertical, and Converge™ by Deloitte for Sports fan data platform built on Deloitte Ascend™ to activate first-party, authenticated data from approximately 250 million sports and entertainment fans worldwide in a privacy-safe, cookieless […]
Play the Tiny Takeover drop
Tiny Takeover has officially stormed Minecraft! New versions of baby mobs are causing cuteness overload across biomes and builds. Pack your golden dandelions, craft name tags, and get ready to collect, cuddle, and coo over our new tiny rascals.
MDMA Therapy in Australia Shows Results for PTSD Patients, but the Cost Is Limiting Access
The country’s experiment with psychedelic medicine has led to positive outcomes, psychiatrists say, but also highlights the limitations of the nascent field.
We disagreed on politics. We agreed on wine. That was enough.
At the Virginia Governor’s Cup Gala in Richmond earlier this month, a very dapper gentleman approached me and introduced himself. In his light-colored suit and bowtie, he looked very Southern in a classical sense, the sort of Virginia Gentleman you used to see south of the Rappahannock as recently as my college days. “I’m a longtime reader and fan of your writing, if not your politics,” he said. His comment was the proverbial iron fist in a velvet glove, simultaneously conveying praise and disapproval while establishing boundaries. Man, I wish we still discoursed like this instead of shouting bromides and insults to try and “own” our opponents with a funny meme and a furrowed brow. Subscribe “Well, we’ll always have wine to share together,” I said, and thanked him for his kind words. We clinked glasses, exchanged pleasantries about the delicious gold medal-winning wines being poured that evening, and went our separate ways. Our exchange reminded me that more unites us than divides us. Wine brings people together to share a meal and a few hours of joy despite our differences.1 That’s why I refer to the wine community — including readers and consumers — rather than the wine industry. Together, we are so much more than production, distribution and sales statistics. A few minutes later the evening’s awards ceremony began. Applause grew as the 12 winemakers who made the top-scoring wines for the Governor’s Case took the stage, including a loud cheer for Jonathan Wheeler of Trump Winery and his 2018 Blanc de Noir sparkling wine. All the winemakers on stage had reason to be proud, Wheeler perhaps more so. Trump Winery was the only winery to win six gold medals in the competition this year. (Wineries are limited to six entries.) Two of Wheeler’s ciders also won gold medals in a separate competition. When you cover the labels and take the sour taste of politics off your palate, the wines are pretty darn good.2 Then Gov. Abigail Spanberger, newly elected Democrat and Virginia’s first female governor, was introduced to great applause to announce which of the 12 wines had won the Governor’s Cup. She spoke for a few minutes about the importance of wine to Virginia’s economy and tourism and the international acclaim Virginia wine has received. Just two weeks earlier, she gave the Democrats’ response to Trump’s State of the Union speech, but this night wasn’t about politics. That didn’t stop several people in the crowd from speculating on the irony should she have to present the trophy to Trump Winery. In the end, Valley Road Vineyards was displayed on the screen behind Spanberger as the winning winery. Blue Bee Cidery in Richmond took top honors for that category. The crowd cheered a female governor presenting the state’s highest trophy to a female winemaker and then resumed the evening’s festivities, united by their mutual love of wine. A whiff of politics couldn’t dim the cheer of celebration and a community united by its love of wine. In Memoriam: Michel Rolland The global wine community lost a giant March 20, with the passing of Michel Rolland. He was 78. Rolland was the original “flying winemaker,” a globe-trotting consultant who helped Bordeaux regain its mojo in the 1970s and then shaped the rise of Napa Valley cult Cabernet as consultant to Simi, Harlan, Newton, Screaming Eagle, Araujo, Dalle Valle and other wineries. He was instrumental in Argentina’s rise to prominence and even had his own winery, Clos de los Siete, in a partnership with other wine families. Rolland’s career arc paralleled that of Robert Parker, the world’s most influential critic. Parker championed many of the wines Rolland consulted on, helping build his reputation and demand for his services. It also made him a target for Parker’s critics. As W. Blake Gray wrote on Wine-Searcher in his excellent tribute to Rolland: Rolland created the type of wines Parker loved: rich body, plenty of fruit, soft tannins. He sometimes faced the accusation of creating a generic international style of red wine, where the great wines he made in Argentina were indistinguishable from the great wines he made in France. Rolland chafed at that critique, as did many of his fans. He was credited with championing green harvesting and leaf pulling, as well as careful selection of grapes in the winery, practices we nearly universally think of today for high-quality winemaking. “Michel was an incredible innovator who changed how wine was made and how grapes were grown,” Napa Valley winemaker Aaron Pott wrote on Facebook. “His work has transformed the wine trade. He created new ways of looking at wine, tasting wine, evaluating ripeness and quality. … This was not just a man with a ‘style’ that he imposed on vineyards but a man that understood how to make great wine from great sites.” Rolland started his consulting company in 1973 in Libourne, in Bordeaux, with his wife, Dany. Both had graduated the year before from Bordeaux’s Institute d’Oenologie. The couple sold their majority share in the business in 2020, according to Wine Spectator. Over his career, Rolland reportedly worked with more than 100 wineries in 20 countries. He even made it to Virginia, where he consulted for Kluge Estate in the mid-2000s. (Kluge Estate is now Trump Winery.) Reader feedback, please! Last week, I did my first WineLine Live! with Dr. Laura Catena of Catena Zapata winery in Argentina. We enjoyed a fascinating discussion about her efforts to preserve the genetic heritage of old vineyards in Mendoza. I conceived of WineLine Live! for paid subscribers, as a thank you for your financial support. And while only a few people joined live, the video now has more views than I have paid subscribers, so I guess that’s pretty good. Even so, I’m considering opening future installments to anyone on Substack to reach a broader audience. So my questions to you: Should these be public? And what format do you prefer? Live gives a chat feature with the potential for viewers to interact with me and the guest, while a video post would just be that. Another alternative is a podcast, which would just be audio, without video of my chins. Please let me know in the comments. Leave a comment In the Glass A few wines I’ve enjoyed recently: Bonny Doon Vineyard Take Me to Your Liter, Le Cigare Volant, Red Wine of the Earth. 2023, Central Coast, CA. Blend of Grenache, Syrah Cinsaut and Petite Sirah. Delightful wine with expressive red fruit flavors, casual drinking. Doon lovers of a certain age will remember Randall Grahm’s Big House Red; this is more in that style than his original Le Cigare Volant, modeled after Chateauneuf du Pape. The liter bottle makes it an even better value. I see this online at about $15. Great value. Albert Bichot Bourgogne Pinot Noir Origines 2023. 13% - Textbook pinot noir and an excellent, affordable entry (regional) Burgundy. Wine Enthusiast Top 100 Wines of 2025. $24 at Total Wine & More. Loma Larga Pinot Noir 2021 “Coastal Cool Climate Wine”, Valle de Casablanca, Chile. An older sample, showing beautifully. Spicy and fruit forward. I’m seeing widely varied pricing online, from $18-$32. At the lower end, it’s a terrific value. 13.5% Dr. Loosen Riesling Dry 2016, Mosel, Germany. Found this “in the stack.” And it stacked up well, shedding some of its youthful acidity for opulent Riesling character, including a hint of the mineral oil older Riesling often features. A great value, as I’m seeing it as low as $14 online. 12% abv. Red Tail Ridge Blau Franc Blend 2024, Sans Oak, Finger Lakes. 13.4% abv. The name is a neat portmanteau of Blaufrankisch and Cabernet Franc, thus Blau Franc. The blend is 50-50, no oak involved. The Blau dominates on the palate, with the spicy caraway seed (think New York deli rye bread). The Franc adds body. The result is juicy, energetic and joyful. Sokol Blosser Estate Rosé of Pinot Noir 2025, Dundee Hills, Willamette Valley, Oregon. This first rosé of 2025 was a welcome respite to our cold, snowy winter here in the Mid-Atlantic. Oh man, I needed this! Bright and energetic, exuberant even, it perks up the mood and goes down fast. 13%. Certified B Corp. Ingredient and nutrition labeling, and in a modest way that doesn’t occupy a lot of label space. (Since it’s not required, presumably there are no minimum font size requirements.) More wineries should follow this example. Dave McIntyre's WineLine is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber. Subscribe Thanks for reading Dave McIntyre's WineLine! This post is public so feel free to share it. Share 1 Some restraint may be required. 2 Especially the bubblies.
Stopping GLP-1 drugs like Ozempic erodes heart health benefits quickly, new study finds
Stopping GLP-1 drugs like Ozempic quickly erodes heart protection, with two years off the medication raising cardiovascular risk by 22%, a new study finds.
A mission NASA might kill is still returning fascinating science from Jupiter
We can’t quite afford to support everything that we have done in the past."
NYC Health + Hospitals/Jacobi | North Central Bronx Brings Novel Minimally Invasive Vascular Surgery Procedures to the Bronx - NYC Health + Hospitals
NYC Health + Hospitals/Jacobi | North Central Bronx today announced it has begun offering two types of minimally invasive surgical procedures that were
Brian Doherty, 57, Dies; Chronicled Libertarians and Other Outsiders
Fascinated by the fringes, he wrote a definitive history of libertarianism and books about underground comics and the Burning Man festival.
Causal Inference Is Eating Machine Learning
Your ML model predicts perfectly but recommends wrong actions. Learn the 5-question diagnostic, method comparison matrix, and Python workflow to fix it with causal inference.
Your Thymus and Your Healthspan
Our thymus gland plays a central role in the development or our immune system, specifically for supporting T cell development (how these cells got their name, maturation and differentiation in the thymus) and discriminating between self and foreign, non-self antigen proteins with production of dendritic cells. As we age, our thymus gland shrinks—the process known as involution—with progressive change from spongy to fatty tissue, with loss of functionality. But this process, with respect to timeline and extent, markedly varies from one person to the next. And to make things even more complicated, our thymus gland anatomy and precise location in the chest also is highly variable. So the famous Frank Netter diagrams from the 1960s (such as at left below) don’t capture the remarkable heterogeneity that a random set of 12 chest CT scans (below at right). What I consider as 2 landmark papers in Nature this week (here and here) used AI to quantify health of the thymus in 2 large cohorts, and then correlate the metric to a broad array of health outcomes. In this edition of Ground Truths, I’m going to cover three questions: (1) How was thymus health determined by AI?; (2) How is thymus health linked to key clinical outcomes? and (3) Are there ways we can promote a healthy (aka rejuvenate) thymus gland in our later years? Subscribe 1. How was thymus health determined by AI? This was accomplished by extensive work developing and validating an AI pipeline for 2 stages, the first for localization and segmentation of the thymus bed, and the second to quantify a digital marker, termed the thymic health score. There’s a lot to this algorithmic development, so I won’t go into all the details, but just provide a rudimentary outline of what was done. The 1st stage used supervised learning with 2 radiologists reviewing 2,461 chest CT scans. That work trained a 3D U-Net model to automatically identify the thymic bed’s 3D cropped region using center of mass coordinates, which reached 99.8% accuracy. The 2nd stage used a foundation model that was pre-trained with SwAV (which stands for Swapping Assignment between multiple Views), a self-supervised model, that generated a high-dimensional thymus representation of 4,096 features. That compares to the radiology reductionist and subjective scoring of 0 to 3 where 0 means the thymus is fully degenerated and fatty, and 3 is considered dense, intact glandular soft tissue. Notably, the self-supervised learning (SSL) performance was superior to supervised (AUC ~0.75 vs 0.55, respectively) reflecting the shallowness of the 0-3 classifier vs SSL’s holistic, self-taught AI. The thymic health score ranged from 0 to 100, with the highest number indexed to fully preserved thymic health. The algorithmic work extended to explainability with both Shapely value distribution, meaning the model was holistic not relying on any “magic” pixel, and occlusion sensitivity, demonstrating the model’s performance was not affected by ribs, sternum, lung tissue, but rather focused on the thymic bed directly. Below are a few saliency maps from the occlusion sensitivity that indicate the thymic bed focus, not affected by neighboring structures, using the jet color scale. Now the AI was ready for processing ~25,000 CT scans, each over 30 MB files, from the 2 large participant cohorts to provide a thymic health score, it did so in less than 14 hours, which is less than 2 seconds per scan! Share 2. How is thymus health linked to key clinical outcomes? The two cohorts were the National Lung Screening Trial, NLST (N=25,031) and the Framingham Heart Study, FHS (N=2,581) each with baseline demographics and long term follow up of >12 years for health outcomes. From the NSLT, you can see below that increased age and body-mass index were correlated to reduced thymic health. And, overall, men had reduced thymic health scores compared with women. There are a lot of graphs in the paper for outcomes, for both the NLST and FHS cohorts. To simplify the major outcomes, below is a composite Figure with striking reduction of all-cause mortality and for the different causes of death. The results were consistent between the 2 cohorts. For example, the cardiovascular mortality hazard ratio average was 0.57 in NLST and 0.38 in FHS (weighted to be 0.53 for the aggregate). The reduction of mortality also extended to digestive diseases and pulmonary disease (data not shown below). Lung cancer incidence was reduced by 36% for high vs low thymic health (Figure below, with a panel -incidence and b panel-mortality, adjusted for age, sex, BMI, smoking status). Notably, there was a smoker’s paradox: lower incidence and improved survival for lung cancer in smokers who had a high thymus health score. Smoking was associated with lower thymic scores whereas alcohol was not. Higher thymic health was linked to higher HDL cholesterol, lower triglycerides, lower fasting blood glucose, and lower systolic and diastolic blood pressure. Inflammation biomarkers, such as C-reactive protein and interleukin-6, were elevated in the people with lower thymic health scores. In their second paper, the same team looked at the relationship between thymic score and outcomes for 3,476 patients receiving cancer immunotherapy. The non-small cell lung cancer progression-free survival was reduced in patients with low thymic health score. A parallel relationship for survival was seen for other types of cancer including melanoma, breast, and kidney with a 44% lower risk among high thymic scores (Figure). A similar pattern was seen with different immune checkpoint inhibitors. The thymus health score outperformed programmed death ligand-1 (PD-L1)and tumor mutation burden (TMB) assay of the tumor and was an independent prognostic marker of progression-free survival. In this dataset, a direct connect with thymus score and adaptive immune function was noted with a correlation before cancer treatment for both T-cell diversity and thymus T-cell production (a metric known as T cell receptor excision circles). Thymus Removal Study There is a highly relevant citation about thymus function before moving onto ways to rejuvenate it. In 2023, a very important study of thymus removal during cardiothoracic surgery was published, with 1146 patients undergoing thymus removal vs 1146 matched controls (mean age 55 years). The adverse outcomes for thymus removal were striking, with a 2.9 higher risk of all-cause mortality and doubling of cancer incidence, 1.5 fold increase in cancer mortality, and 1.5-fold increase in autoimmune diseases. The immune function showed marked compromise after thymus removal, as reflected by CD4+ and CD8+ T cells (Figure below) Share Ground Truths 3. Are there ways we can promote a healthy (aka rejuvenate) thymus gland in our later years? In recent months we’ve learned a lot about the process of thymus involution and the pathways by which this may be modulated. Thymus involution is primarily due to loss to thymus epithelial cells (TECs) and there are 2 subtypes with different functions: the cortical, responsible for positive selection of T cells, and the medullary, for negative selection. When adipose tissue infiltrates the thymus, thymic adipocytes are pro-inflammatory, knocking out T-cell output. Likewise, systemic inflammation, or “inflammaging,” from smoking, obesity, and chronic stress promote thymic adipocytes. Now, from preclinical studies, we know about key pathways that account for these processes. Historically, back in 2014, FOXN1 was recognized as a single master transcription factor essential for TEC function, with studies in mice with forced FOXN1 upregulation leading to thymus regeneration. That laid the foundation for potential regrowth of quiescent thymus cells. It took awhile to find pathways to accomplish this goal and to even refute its role as the master regulator. The Liver-Thymus Axis Feng Zhang and his team recently showed that injection of an mRNA vaccine to the liver encoding DLL1, IL-7 and FLT3-L in combination, factors known to support thymopoiesis (Figure), successfully enhanced immune function in aged mice. However, the effect was transient. The FGF21 Story Two reports in 2025 addressed the thymus gland’s production of FGF21, a growth factor (fibroblast growth factor 21) and its control of thymus involution. This growth factor is also produced by the liver, but it doesn’t have impact on the thymus in aged rodent models. In contrast, The liver’s hepatocyte growth factor (HGF) has been shown to reverse senescent TEC structural changes. Growth hormone stimulates production of insulin growth factor-1 (IGF-1) in the liver and the thymus. Two small studies in human participants (TRIIM, for Thymus Regeneration, Immunorestoration, and Insulin Mitigation) of 6 and 50 people, respectively, treated with combined human growth hormone, metformin and DHEA, suggested the potential of slowing epigenetic aging and improving thymus mass and function. But the combination of drugs, small sample, and lack of controls make conclusions murky. Increased thymus FGF21 led to increased CD8 T cells in old mice and extended healthspan and improved physical performance. Building on the previous FOXN1 data, ablation of β-klotho, the obligatory co-receptor for FOXN1, accelerated thymic aging. The benefit to FGF21 was confirmed in a companion paper using an FGF21 knock-in mouse model showing thymus enlargement and increased TECs throughout the lifespan. (schematic Figure below). The accompanying editorial for these 2 papers speculated: “The proposed link between age-associated thymus involution and organismal aging is intriguing, and suggests we might seek to achieve systemic rejuvenation by counteracting thymic involution.” Other Factors Lessons from the Axolotl (Mexican Salamander) In an elegant set of experiments of the axolotl (Figure), known for its complete thymus regeneration after total surgical removal, mediators were identified. Surprisingly FOXN1 was dispensable. But midkine, a growth factor, appeared to be the driver, the initiator of thymus cell growth, survival, and repair. Other components that contributed were Postn+ (periostin-expressing mesenchymal niches) and Ccl19, a chemokine protein from the bloodstream. RANK and RANKL RANK (receptor activator of nuclear factor κB its ligand (RANKL) have been considered key regulators of medullary TECs. In a study of both aged mice and human thymus cell cultures, their key role was confirmed, with multiple benefits of resorting TEC function, recruitment of progenitor cells, and T cell development. Subscribe Summing Up This body of work strongly supports the health of the thymus gland as a critical regulator of human healthspan, not just a correlate or link. The new landmark studies are reinforced by the regenerative biology experimental models that have shown, via an array of mediators, that healthspan of aged mice is at least in part dependent on thymus gland function and its critical role for maintaining adaptive immunity. It sure seems that we’d be better off having an immune reservoir of naive T cells instead of a profile in older adults of exhausted, low quality, memory T cells, with a senescent phenotype. It is striking that we ignored the importance of the thymus gland for many decades. A wake-up call was the results of the thymectomy matched control study reviewed here, with the opposite of high thymic health score improved health outcomes. The convergence of AI and healthspan here is notable. The exceptional and laborious work for developing and validating (no less explaining) the AI to quantify thymus health set the foundation for probing the connect the major health outcomes in two cohorts with extensive follow-up. We’ve never had a way to meaningfully quantify the thymus gland before, so this represents important leverage of supervised, self-supervised, and transformer models. The study wouldn’t have been possible without AI. And it begs the question as to whether there are ways we can maintain our thymus at a high health score. But it’s not so simple to rejuvenate our thymus. There are multiple risks including the induction of autoimmunity, increasing the risk of cancer, and inducing a pro-inflammatory state. For example, factors that increase TEC proliferation could compromise the medulllary negative selection process and leak out auto-reactive (self-attacking) T cells. Thymic cells could be induced to proliferate, but we know, for example, that growth hormone and IGF-1 are associated with an increase risk of cancer. If thymus rejuvenation doesn’t clear out the accumulated senescent cells in older adults, then inflammation within the gland could block the production of TECs. Keeping these risks in mind, we now have identified many ways to keep our thymus healthy as we age that undoubtedly will be tested in clinical trials going forward. Ultimately, the benefit-to-risk tradeoffs will be defined. In the meantime, we have desperately needed an immunome. As I’ve stressed in multiple prior Ground Truths, we have no test in the clinic to assess a patient’s immune status! It was very encouraging for me to get an email from Hugo Aerts, the senior author of the landmark papers in the days after they were published: “I also wanted to say that your Substack on “Why We Need an Immunome” was inspiring for this work. We found it a very compelling perspective and greatly enjoyed reading it.” Just having an assessment of a person’s immune status via a chest CT scan, with millions of these performed per year, might help in guiding the right immunotherapy for cancer (e.g. more intensive, combinations for those with low thymic health scores) and help define people who are increased risk for age-related diseases of cancer, cardiovascular, and neurodegenerative. The main theme of Super Agers is that we now have many layers of data (genetics, proteins, biomarkers, organ clocks that can be integrated via multimodal AI) for us to define a person’s specific risk decades before one of these age-related diseases leads to symptoms, enabling prevention. From the new studies this week, we can add thymus health score as yet another way to understand a person’s risk, a window into their adaptive immune system and healthspan. And perhaps someday we will be able to safely rejuvenate the thymus, or maintain its health through one’s life, and use the thymus health score to monitor. NB: I wrote this post (No A.I.) A Quick Poll Loading... ********************************************************************* Thanks to Ground Truths subscribers (now > 200,000) from every US state and 212 countries. Your subscription to these free essays and podcasts makes my work in putting them together worthwhile. Please join! If you found this interesting PLEASE share it! Share Ground Truths Paid subscriptions are voluntary and all proceeds from them go to support Scripps Research. They do allow for posting comments and questions, which I do my best to respond to. Please don’t hesitate to post comments and give me feedback. Let me know topics that you would like to see covered. Leave a comment Many thanks to those who have contributed—they have greatly helped fund our summer internship programs for the past two years. It enabled us to accept and support 47 summer interns in 2025! We aim to accept even more of the several thousand who will apply for summer 2026.
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