Tag

Aging

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A person riding a fan-wheel exercise bike in a darkened gym

HIIT cut fat and held muscle in older adults, but barely

In a six-month trial of more than 120 healthy older adults, high-intensity interval training cut fat while holding onto muscle, unlike moderate exercise. The authors say the differences between intensities were small.

Jul 17, 2026

A semaglutide injection pen resting on a surface

News

Semaglutide slowed biological aging clocks in a small trial

Researchers reanalyzed a 32-week trial of semaglutide in 84 adults and found the drug slowed several DNA-based clocks of biological aging. The aging analysis was exploratory, and the group studied was specific.

Jul 17, 2026

Fresh oranges arranged in a close-up, top-down view

News

Blood vitamin C linked to more gray matter in older adults

In 2,044 older adults in Japan, those with lower vitamin C in their blood tended to have less gray matter and weaker connections in a key brain network. It is a snapshot, so it cannot show that vitamin C protects the brain.

Jul 17, 2026