title: Calcium supplements and heart attack.  Opposing studies sound a note of caution on too much calcium.
mesh_terms: D050071:Bone Density Conservation Agents / Q000008:administration & dosage / Q000009:adverse effects*; D002136:Calcium, Dietary / Q000008:administration & dosage / Q000009:adverse effects*; D019587:Dietary Supplements / Q000009:adverse effects*; D019317:Evidence-Based Medicine; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D009203:Myocardial Infarction / Q000139:chemically induced* / Q000517:prevention & control*; D010024:Osteoporosis / Q000517:prevention & control; D014807:Vitamin D / Q000008:administration & dosage
chemical_list: D050071:Bone Density Conservation Agents; D002136:Calcium, Dietary; D014807:Vitamin D