The millions of people who take calcium supplements to strengthen aging bones and ward off osteoporosis may be putting themselves at increased risk of a heart attack, a new study has found. Older people who take at least 500 milligrams of calcium daily––less than the amount in a typical one–a–day calcium pill––are 30 percent more likely to have a heart attack than those who take no calcium at all, the study estimates. ... Click Here to Read More Click Here to Read More