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Author Question: The primary nitrogenous waste excreted by birds is A) ammonia. B) nitrate. C) ni (Read 554 times) |
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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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There are approximately 3 million unintended pregnancies in the United States each year.
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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.