 Reporting from suburban Chicago, I'm Bill Brough. Calcium pills may pose a heart risk. People who take calcium supplements could be increasing their risk of having a heart attack according to researchers in Germany. Calciums often taken by older people to strengthen bones and prevent fractures. Experts believe it should be taken with caution. They say promoting a balanced diet, including calcium, would be a better strategy. Researchers at the German Cancer Research Center in Heidelberg followed nearly 24,000 people for more than a decade. They compared the number of heart attacks in people who were taking calcium with those who did not. They found that people taking calcium supplements were 86% more likely to have had a heart attack. In other news, stress and depression may affect cancer survival. The author John Steinbeck said a sad soul can kill you quicker, far quicker than a germ. Several recent studies underscore how critically important it is for those fighting illness to learn how to combat stress. A team of researchers at the Integrative Medicine Program at the University of Texas MD Anderson Cancer Center found that symptoms of depression among a group of patients with late-stage renal cell carcinoma were associated with an increased risk of death.