People who eat a strict Mediterranean diet are at less risk of developing heart disease, cancer, Parkinson's and Alzheimer's disease, Italian researchers report.

Eating foods with soy protein has been promoted as a way to lower cholesterol, but a new study finds it has no significant effect on cholesterol levels.

A British study adds more evidence for the link between dietary salt intake and high blood pressure.

Eating eggs may help overweight adults lose weight and feel more energetic, according to U.S. researchers.

Grapefruit juice, long known to boost the absorption of certain medications, isn't the only juice that doesn't mix well with drugs, according to the Canadian researcher who first identified the ill effects of grapefruit juice.