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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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Medication errors are three times higher among children and infants than with adults.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Thyroid conditions may make getting pregnant impossible.
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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.