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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.
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The average office desk has 400 times more bacteria on it than a toilet.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.