Even a tiny zinc deficiency can cause digestive trouble, according to new animal research.
Butter was not associated with chronic disease or mortality in a review of research from Tufts.
Researchers found that a specific bacteria was associated with a reverse in autism-like anti-social behavior in rodents.
Higher intake of vitamin E was associated with a 55 percent reduced risk of Parkinson's disease in a recent study.
Eating more fiber was linked to healthier aging in a recent study.