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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Everyone has one nostril that is larger than the other.
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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.