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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.
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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 most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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Everyone has one nostril that is larger than the other.