Has Science Cured Gray Hair?

Gray hair -- one of the classic signs of aging that can lead to a midlife crisis for some -- may some day be a thing of the past, much to the chagrin of hair-dye manufacturers and Corvette salesmen.

A team of European researchers claims to have found not only the root cause of gray hair, but also a treatment for the condition. Additionally, their treatment may help people with vitiligo, a condition that causes the loss of pigment in patches of skin, they say.

It's been known for years that hair turns gray due to a natural buildup of hydrogen peroxide in hair follicles, which causes oxidative stress and graying. (Hydrogen peroxide solutions have been used for years as a cheap and easy way to "go blonde.") (8 Tips for Healthy Aging)

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