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What's the most sensitive part of your body? Are women less sensitve to pain than men? Does everyone feel pain? Get answers to these questions and more by taking the pain quiz.
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Nearly 17 million Americans have acne, making it the most common skin disease in this country, according to the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS). Test your knowledge of acne by taking this multiple-choice quiz.
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