The gene FOXO3 is associated with longevity and humans living past age 100. New research finds that FOXO3 protects the brain's stem cells from stress-induced damage, preserving its ability to regenerate.

Estrogen deficiency during menopause changes microRNA signaling in skeletal muscle, activating a series of cell-death signaling cascades that are detrimental to muscle mass.

Biodegradable microcapsules encourage the development of new neurons in the hippocampus of the brain by delivering nerve growth factor. If applied to humans, this could reverse many cases of neurodegeneration.

Skeletal muscle plays a role in controlling glucose levels, which is vital for reducing the risk of metabolic diseases like type 2 diabetes. More skeletal muscle has increased activity of a gene called (KLF15).