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Hair Loss Choose a Subcategory Hair Loss Basics Hair Loss Treatment - Treating Women's Hair Loss - Treating Men's Hair Loss Related Topics - Men's Health - Cancer - Women's Health Featured Video Biology of Hair Loss Video Transcript The average human scalp is covered by 100,000 hair follicles. If you've got all your hair, that may seem like a big number but when you start to lose it, the fate of each follicle becomes more importa... More Video of the Week Cancer 101 Cancer basics. A look at the causes of cancer and treatment options. Advertisement Advertisement HealthVideo.com © 2008 NBC Digital Health Network, Inc. All Rights Reserved Privacy Policy - Disclaimer - Editorial Policy We subscribe to the HONcode principles. Verify here

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