Five glasses of milk, five yogurts or almost halfapoundof cheese would deliver 1500 milligrams of calcium, but most Americans don't get even half this amount on a given day.
For more than two months, researchers at Rockefeller University in New York and Harvard tested several different types of low fat diets on 18 people with normal cholesterol levels, including a diet containing more than halfapoundof steamed shrimp a day.