Awasome Does Stress Cause Gray Hair 2023. Scientists found that some hair that turned gray when a person was under stress returned to its original. “in middle age, when the hair is near that threshold because of biological age and other factors, stress will.

Our hair's natural color is determined by melanin, a. There is some evidence that stress can cause hair to turn gray or white prematurely. Few harbingers of old age are clearer than the sight of gray hair.