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Children with obesity in a six-month healthy eating and exercise program experienced increases in their average telomere length, suggesting reversal of premature aging, a study led by Stanford Medicine researchers found.

In a Stanford study, sedentary mice appear to benefit from another same-aged mouse’s exercise — if they receive injections of its blood.

A single protein is a master regulator of mouse muscle function during aging, a Stanford study finds. Blocking this protein increased muscle strength and endurance in old animals. It may play a role in age-related muscle weakening in humans.

Annelise Barron, Peter Kim, Siddhartha Jaiswal and Keren Haroush will receive grants totaling $10 million to fund their investigations. The awards support risky efforts that could potentially have a big impact in the biomedical sciences.

Stanford scientists have identified specific biological pathways along which individuals age over time.

In the presence of alcohol, a defective version of the aldehyde dehydrogenase 2 gene in human cell cultures and mice leads to biochemical changes associated with Alzheimer’s disease.

The Aging Adult Services program at Stanford Health Care helps patients and families make decisions and navigate care.