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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.
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
There are more bacteria in your mouth than there are people in the world.
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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