Taking vitamins won't help prevent heart disease, study finds.
Higher amounts of vitamin D may thwart colon cancer
Fish oil may protect against unhealthy weight gain
Most vitamin and mineral supplements do not promote heart health or longevity, new study finds.
Doubling amount given also improved their growth
But researchers can't prove a cause-and-effect connection
Leafy green veggies are a good source of the vital nutrient
Draft recommendations from influential U.S. panel now await public review
Prenatal supplements may help reduce harms of pesticide exposure, study suggests
But no large studies prove the inexpensive pill slows age-related macular degeneration, eye expert says
Increased odds only seemed to affect men or male smokers, study suggests