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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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Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

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There are more bacteria in your mouth than there are people in the world.

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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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