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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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Thyroid conditions may make getting pregnant impossible.
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People about to have surgery must tell their health care providers about all supplements they take.