A study of people with severe obesity found that regular exercise after a low-calorie diet improved blood-vessel health and lowered inflammation. Weight-loss medication helped keep weight off but did not improve vascular health by itself.
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Scientists found that older, weaker muscle releases fewer extracellular vesicles and less of a microRNA called miR-7a-5p. Exercise can restore vesicle release and may help reduce cancer risk in older adults. The work suggests new biomarkers and therapies.
A clinical trial in people aged 65 and over found that extra protein from whey capsules did not increase muscle strength after 24 weeks. Researchers say resistance exercise remains the most reliable way to improve strength.
A small Texas A&M study used Oura Rings to track seven older adults with mild cognitive impairment for 14 days. Vigorous exercise gave the largest sleep benefit; light activity helped a little and moderate exercise showed no clear effect.
Researchers tested a home exercise program during chemotherapy and found patients who followed it kept daily activity and reported clearer thinking. The trial compared a six-week exercise plan with standard care during treatment.
A study in mice found a high‑fat, low‑carbohydrate ketogenic diet can lower high blood sugar and change muscles so they respond better to aerobic exercise. Researchers say diet and exercise together give the greatest benefit and people still need testing.
A study tested a virtual diet and exercise program for people getting chemotherapy for lymphoma. The program improved symptoms, attendance was high, and participants had better strength and physical performance during treatment.
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