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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 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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Your heart beats over 36 million times a year.