Women's health expert Dr. Erika Schwartz is an "Extra" Lifechanger -- and she's on call right now! From the healthy truth behind egg whites to ice cubes constricting blood vessels, Dr. Erika has answers to your medical questions.

To find out whether or not it's safe to take Viagra when you don't need it, click here. Have a question for Dr. Erika? Upload your video comments, and you could be featured on "Extra!"

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