True, though most have at best of our current population. Of that said population we have over a third that is elderly or near it. The costs of prescriptions alone will dwarf the amount of taxes to offset that in our current system of health care.
In addition, a tax toward that system will truly bring about a "Why should I pay for my neighbor mentality", in that, they live unhealthy so why pay for their choices? In the USA, we are, as a nation, one of the unhealthiest in the world. So, forget Republicans vs Democrat in the future and hello to the health police. Granted, an exaggeration. Just saying the possibility