A NASM-certified trainer reveals exactly how many pushups after 55 signal elite upper-body strength for men and women.

A certified running coach and personal trainer reveals how long you need to hold a plank after 55 to have elite core strength.

There's no age limit to starting running.

Losing your sense of smell might signal Alzheimer’s far earlier than expected. Scientists found that immune cells in the brain actively destroy smell-related nerve fibers after detecting abnormal signals on their surfaces. This damage begins in early stages of the disease, well before cognitive decline. The discovery could help identify at-risk patients sooner and improve treatment timing.