Adequate protein intake is one way to help prevent sarcopenia, a substantial decline in muscle mass and strength that can accompany aging. But do you know how much protein your diet contains? Here's a quick guide to the main food sources of protein.
The WHO recommends circumcision as a step in HIV prevention. But while circumcision—often of newborns—is practiced in the United States and the Middle East, it is less common in most parts of the world.