Amid an international debate about the side effects of drugs taken for depression, a large-scale analysis of British medical records has found little difference in rates of suicidal behavior among patients given some of the most commonly prescribed medications. The risk is highest when patients begin taking the drugs, as doctors have long suspected, and tapers off quickly after that. The study, which is being reported today in the Journal of the American Medical Association, found no evidence that withdrawal from the drugs put patients at an increased risk of suicide. The analysis, conducted and financed by the Boston University...