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.
We need small amounts of the mineral iodine, found in iodized salt, seafood and dairy, for good health. The American Thyroid Association weighs in on whether or not you should consider iodine supplements.
No one knows for sure what makes the diets of people living around the Mediterranean Sea so healthy, but all are based on plant foods. And that's what other healthy diets around the planet all have in common.