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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
There are approximately 3 million unintended pregnancies in the United States each year.
There are more sensory neurons in the tongue than in any other part of the body.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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