Stress really does make your hair go grey, scientists find

When the going gets tough chemicals are triggered which damage DNA and leads us to look older and also increases the risk of diseases.
Mice given an adrenalin-like compound to trigger stress had reduced amounts of a protein that keeps us healthy by protecting our cells from developing abnormalities.
Professor Robert Lefkowitz, of Duke University, North Carolina, said: "This could give us a plausible explanation of how chronic stress may lead to a variety of human conditions and disorders, which range from merely cosmetic, like greying hair, to life-threatening disorders like malignancies."
via Telegraph/continue reading