Going gray before 40
Premature graying can have a medical cause. “If you have 50% gray hair before the age of 40, you should probably be checked for diabetes,” says Dr. Joan Liebmann-Smith, author of Body Signs.
Going gray before 40
Premature graying can have a medical cause. “If you have 50% gray hair before the age of 40, you should probably be checked for diabetes,” says Dr. Joan Liebmann-Smith, author of Body Signs.