ITV News | Heart disease revealed as biggest killer of men AND women ahead of dementia ... Mirror.co.uk Coronary heart disease (CHD) is the number one killer of men over 50 (15.4%) while dementia and Alzheimer's disease are increasing and remain the leading cause of death for women (12.2%). Suicide is the leading cause of death of men aged between 20 ... Heart disease and dementia leading causes of death in 2013 |