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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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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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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.