Grip strength, a GLP-1 pill, diet, Rapamycin, and coffee - what we are reading this week.

NEWS LETTER MAY 22, 2026

Six stories caught our eye this week for the same reason: two od them quietly raise the bar on what we thought a small change could do. One says 11 more minutes of sleep nudges your heart risk down measurably. The other says a hand grip says more about how long you’ll live than your step count. Neither is flashy. Both are the kind of finding that, if it holds up, actually changes how you spend a Tuesday morning.

Here’s the rest of what was worth reading:

A simple grip test predicts how long older women live — even if they’re not exercising “enough”

A study of more than 5,000 women aged 63 to 99, just published in JAMA Network Open, found that muscle strength — measured by grip strength and how fast someone could stand up from a chair — predicted death over the next eight years better than expected. The interesting part: even women who weren’t hitting the recommended 150 minutes of moderate aerobic activity per week still got a survival benefit if they were strong. Body size didn’t explain it away. The researchers think this is real evidence that strength training deserves more weight (pun acknowledged) in the standard exercise guidelines for older adults. Caveat: it’s observational, meaning they didn’t randomly assign anyone to lift weights — so we can’t be 100% sure strength itself causes the lower death rate versus being a marker of overall robustness. But the signal is strong. Source: ScienceDaily / University at Buffalo

A once-a-day GLP-1 pill that mostly holds your weight loss — Phase 3 results from the ATTAIN-MAINTAIN trial, published in Nature Medicine on May 12, showed that patients who switched from injectable GLP-1s (the Ozempic/Wegovy/Mounjaro family) to a once-daily oral pill called orforglipron kept about 75–80% of their weight loss and most of the cardiometabolic benefits — meaning lower blood pressure, better cholesterol, smaller waistlines. That matters because rebound weight gain after stopping injectables has been one of the biggest open questions with these drugs. Side effects were the usual stomach issues, mild to moderate. Honest caveat: the trial was sponsored by Eli Lilly, which makes the drug. So while Nature Medicine is a serious journal and the data look solid, independent replication is what you want before declaring this the answer to the maintenance problem. Source: Weill Cornell

Diet changed biological age in four weeks — but probably not the way the headlines say: Researchers at the University of Sydney published in Aging Cell this week that adults aged 65 to 75 who shifted their diets for just four weeks saw measurable drops in their biological age — meaning the score that estimates how worn-down your body is based on 20 blood markers like cholesterol, insulin, and a common inflammation measure called C-reactive protein. The group that did best was on an omnivorous, higher-carbohydrate, lower-fat diet (about 53% carbs, 28% fat, 14% protein). The group whose diet barely changed from baseline didn’t budge. Two things to hold in mind: 104 people is small, and four weeks tells us almost nothing about whether these changes stick or whether they actually translate into fewer heart attacks or longer life down the road. It’s a hint, not a verdict. Source: ScienceDaily

The rapamycin question gets more complicated: Rapamycin — the immunosuppressant drug that the longevity world has been quietly stockpiling for years — may blunt some of the benefits of exercise, according to a study covered by the Washington Post in late April. Researchers expected it to add to exercise’s effects. It didn’t. In some measures, it worked against them. This doesn’t kill the rapamycin-for-longevity hypothesis, but it does mean the people taking low-dose rapamycin and lifting weights in the same week may be partially undoing their own workouts. The honest read: we still don’t really know the right dose, the right schedule, or how it interacts with the rest of a healthy-aging routine in humans. The animal data are encouraging. The human data are still thin. Source: Washington Post

Two to three cups of coffee a day, and a lower dementia risk — A long-running study released last week linked drinking two to three cups of coffee daily with a meaningfully lower risk of dementia, with the effect strongest before age 75. The proposed mechanism is some combination of caffeine keeping brain cells more active and a reduction in chronic inflammation — meaning the kind of slow, low-grade immune activation that quietly damages tissue over decades. Standard caveat for any nutrition study: people who drink moderate coffee may be different from people who don’t in a hundred ways the researchers can’t fully control for. But the dose-response pattern (more coffee, up to a point, equals less risk) is the kind of signal that’s hard to dismiss. Source: ScienceDaily Healthy Aging

Worth a longer look this week — The Washington Post ran a deep piece on the thymus — the small gland behind your breastbone that trains your immune system — and the growing case that its early shrinkage may be one of the actual drivers of why we get sicker as we age, not just a symptom. If you’ve ever wondered why a healthy 70-year-old’s immune system behaves so differently from a healthy 30-year-old’s, this is the lead. The body’s most mysterious organ

Our commitment is to keep you in the know on current information and research you can use to maximize your health, fitness, and longevity.

Wishing you a happy weekend.

Travis & Winston