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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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