Advances in microscopic imaging have led to the exciting discovery of a small group of brain cells that control stress-induced responses.

Cortisol is well-suited for measurement in wearable devices, because its concentration levels in sweat are similar to its circulating levels

While it may seem intuitive that stress can accelerate graying, the researchers were surprised to discover that hair color can be restored.

How much does chronic stress accelerate your biological clock and are there ways to slow it down and extend a healthy lifespan?

A new study finds that mental training reduces the concentration of the stress hormone cortisol in hair.

Sweaty palms during a job interview. Racing heartbeat before the walk down the aisle. Stomach pains ahead of a final exam.

While it may seem intuitive that stress can accelerate graying, the researchers were surprised to discover that hair color can be restored.