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Gray en Jorge Amarante


Why Hair Goes Gray

 Study Blames a Chain Reaction That Makes Hair Bleach Itself From the Inside Out By Miranda HittiWebMD Health News Reviewed by Louise Chang, MD

 Scientists may have figured out why hair turns gray, and their finding may open the door to new anti-graying strategies.

New research shows that hair turns gray as a result of a chemical chain reaction that causes hair to bleach itself from the...