"After being a smoker a low IQ is the strongest predictor of the disease, ranking above blood pressure and lack of exercise. The study carried out on over 1,000 men and women in Scotland, was funded by the Medical Research Council and is published in the European Journal of Cardiovascular Prevention and Rehabilitation. " http://www.telegraph.co.uk/health/healthnews/7198447/Low-IQ-linked-to-heart-disease.html So the risk factors go like this: 1. Smoking 2. IQ 3. Low income 4. High blood pressure 5. Low physical activity Darwinism in action for Chavs, wasters and Labour core vote in general. Splendid.