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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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.