Scientists have found evidence to support long-standing anecdotes that stress causes hair graying. Researchers found that in mice, the type of nerve involved in the fight-or-flight response causes permanent damage

This content is restricted to registered user. If you are an existing user, please log in. New users may register for free.

Existing Users Log In
   
New User Registration
 
 
 
 
 
 
Please indicate that you agree to the Terms of Service *
*Required field