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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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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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