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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
The hierarchy of forces governing protein structure.
Gate Control Theory, Gate control, Open gate, Closed gate, Pain, Nerve transmission of pain, Pain ma
Two-Factor Theory
Contact theory indicates that prejudice decreases and relations improve when individuals of ...