ST. LOUIS, April 5 (UPI) -- St. Louis scientists are starting a 2-year study to confirm a short Louisiana State University trial suggesting low-calorie diets result in longer life.

ST. LOUIS, Jan. 13 (UPI) -- A U.S. study showed that calorie restriction with optimal nutrition may delay primary aging of the heart in human beings.

ST. LOUIS, Jan. 12 (UPI) -- A study by Washington University School of Medicine says calorie restriction appears to prevent primary aging in the heart.

Vegetarians have low bone mass; too much iron may raise cancer risk in some, and other news of modern health.