Research shows that stress turns hair gray by triggering the body’s fight-or-flight response User Thorgard7330, in the Biology subreddit, 27 Jan 2020
Study shows stress speeds up the graying process through hyperactivation of sympathetic nerves that drive depletion of melanocyte stem cells User Regenerative_Med_Bot, in the Regenerative medicine and other medical breakthroughs subreddit, 23 Jan 2020
Study shows stress speeds up the graying process through hyperactivation of sympathetic nerves that drive depletion of melanocyte stem cells User spsheridan, in the Reddit Science subreddit, 23 Jan 2020
Scientists Confirm That Stress Can Indeed Turn Hair Grey User Topcity36, in the No shit, sherlock subreddit, 23 Jan 2020