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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
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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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.