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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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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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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.