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Over-Brushing Your Teeth
- Watch this video about over-brushing your teeth on HowStuffWorks. It is important to use just the right amount of toothpaste when brushing your teeth. Learn the proper degree of daily dental care in this video from the American Dental Association.
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Fires of the Mind: Bipolar Causes
(6:15)
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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The Amazing Tree Man
(1:19)
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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Fires of the Mind: Bipolar Causes
(6:15)
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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How Sunburns Work
(0:58)
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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Brainman: Beautiful Pi
(3:20)
Does Daniel really have emotional responses to certain numbers? Learn more about mental conditions in this video.
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What Are the Odds? Baldness
(2:47)
What are the odds you will go bald? Learn more about baldness and thinning hair in this video.
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How Tourette syndrome Works
(3:03)
Tourette syndrome is a neurological disorder that causes physical and vocal tics. To learn more about Tourette syndrome, check out this HowStuffWorks video.
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How Not Getting Enough Sun Can Be Harmful
(1:32)
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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