The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o