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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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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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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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