Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Everyone has one nostril that is larger than the other.
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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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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Apparent and True Orbits of Alpha Centauri.
True-color image of layers of haze in Titan's atmosphere.