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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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Thyroid conditions may make getting pregnant impossible.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

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