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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.
Everyone has one nostril that is larger than the other.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
There are 20 feet of blood vessels in each square inch of human skin.
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