Why Does Human Hair Turn Gray?

Gray hair is usually associated with aging, but there are many misconceptions and misunderstandings when it comes to aging and gray hair. Does this Spark an idea?

  1. Melanin

    • The more melanin you have in your hair, the darker it will be. To remain healthy, hair regularly dies and regenerates itself. When your hair goes through this process, it could be "reborn" with less melanin or none at all, causing graying.

    Age

    • The main factor contributing to gray hair is age. The typical age for this to start happening is in your 30s or 40s.

    Stress

    • Contrary to popular belief, stress does not directly cause gray hair. More stress in your life will not lead you to wake up one day to find graying hair.

    Genetics

    • Genetics plays a large role in how early your hair will begin to gray. If your family has a history of early onset gray hair, chances are you will get gray hair early as well.

    Other Causes

    • Other, less common causes of hair graying are vitamin B12 deficiency and heart disease. Smoking cigarettes is also linked to hair going gray. These can all cause premature graying, so if you're in your 20s and graying, you may want to consult a doctor.

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