Gray Hair: Causes and What Research Says About Prevention New findings suggest how stress may trigger gray hair Harvard Gazette Gray Hair: Can It Be Cured? Dermatology Circle NYC Gray Hair & Your Health: More Than Just Aging? Did you know that premature gray hair can be a sign of deeper imbalances in the body? Instead of just chalking it up Does stress cause gray hair? Link and what to do Why Does Hair Whitening Occur? How to Prevent Graying? DMAX Health