Health is determined by a lot of factors aside from skeletomuscular functionality. The immune system is another. Segregating cancer from cardiovascular disease is really moot and academic as the majority of cardiovascular disease is a result of poor health and lifestyle which is also correlated to cancer. Ergo, the more unhealthy you are, the more liable you are to suffer not only from one but the other as well.
Unhealthy americans will continue to unfairly leech on healthier americans by pursuing their unhealthy lifestyles and sucking up most of the healthcare costs, insurance et al. The burden of billions of dollars of healthcare should have been spent on better things like a government operated free weight gym in every town.