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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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There are 60,000 miles of blood vessels in every adult human.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.