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Nutrition
An expert explains the emerging science of nutrigenomics.
Scientists at UCLA and Penn argue that malfunctioning fat, not necessarily too much of it, is what makes people metabolically unhealthy.
The catastrophic birth defect anencephaly affects about 1 in 4,600 pregnancies in the U.S. It is largely preventable with folic acid supplements.
Roughly half the world population, including in America, has insufficient levels of vitamin D. UV irradiated mushrooms can help.
Some of the most popular "anti-aging" diets show promise in rodent studies. But are they effective for humans?