LETTERS: Look to U.S. model for emergency medicine training Arsenic may play role in swine flu severityExposure via drinking water compromised immune response in mice; levels high in well water in Mexican areas affected by flu Kidney transplant data favourable for HIV patients Ontario investing to address ER overcrowding PSYCHIATRY: Pathological skin picking not just a variant of OCD Treatment approaches should reflect the differences, says researcher CARDIOLOGY: Exercise program shows modest benefit for heart failure patients EDITORIAL: Do you have the right to opt out of e-data sharing? Clinical in brief CARDIOLOGY: The pre-operative heart check Identifying existing risks, conducting proper exams and aiding risk reduction are key components of cardiac evaluation for noncardiac surgery YOUNG MD: Keep patients’ best interests at heart – even if they don’t First Previous 3438 3439 3440