How Tooth Scaling Works

Watch this Reuters video and see the incredible affects that the HPV virus have apparently had on this Indonesian man, nicknamed "Tree Man". Dr. Anthony Gaspari from the University of Maryland is working with this man to see if he can remove the... More »

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Sunburns can be painful and dangerous to your health, so doctors recommend avoiding the sun or using sunscreen. Learn about sunburn in this HowStuffWorks video.

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Have you ever wondered what causes bipolar disorder? The answer may be found through an MRI. Learn more about bipolar disorder in this video.

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We often associate getting too much sun with getting cancer. But, is not getting enough sun even more harmful? A new study reveals a surprising relationship between sunlight, vitamin D, and cancer.

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Could a pill that\'s designed to treat type 2 diabetes also be the first anti-aging drug? The pills are based on a substance in, of all things, red wine.

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Imagine getting one flu shot to last a lifetime. The universal vaccine would protect against strains of flu that haven\'t happened yet and even against bird flu. Researchers are getting closer to making that happen.

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Watch this video from the Medical University of South Carolina showing Dr. Andre Hebra discuss the minimally invasive surgical approach to pectus excavatum and who might be a candidate.

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Watch this UNICEF video about polio on HowStuffWorks. School projects in Nigeria are trying to reach more than 14 million children; the concept involves a homework assignment where each student has to find and bring 10 children to get vaccinated.... More »

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