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In 1864, the first barbiturate (barbituric acid) was synthesized.
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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.