There are more bacteria in your mouth than there are people in the world.
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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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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
Obtaining protein sequence information with tandem MS