Patients who refuse to change their unhealthy lifestyles should not be treated by the NHS, the Conservatives said today. In a bid to ease spiralling levels of obesity and other health concerns, a Tory panel said certain treatments should be denied to patients who refuse to co-operate with health professionals and live healthier lifestyles. And those who do manage to improve their general health by losing weight and quitting smoking, for example, would receive "Health Miles" cards. Points earned could then be used to pay for health-related products such as gym membership and fresh vegetables. The aim is a shift...