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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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Approximately 25% of all reported medication errors result from some kind of name confusion.
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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.