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The familiar sounds of your heart are made by the heart's valves as they open and close.
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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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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Blood is approximately twice as thick as water because of the cells and other components found in it.