We are fat, sick and tired because of the way we live. Doctors agree in theory that a healthier lifestyle is the key to prevention. But in practice they rely on drugs. The sane solution is being serious about tackling the cause.
When you are acutely, chronically or terminally ill, as I am, you will do all you can to live as well as you can for as long as you can and, when your options are genuinely exhausted, to die as well as you can too.