Obesity/Disease - people dying from poor decisions or bad luck
Disease happens, maybe it is annoying for a few, but for humanity at large, the survivors are stronger.
Obesity Is a luxury problem. media propaganda and general laziness cause this. People that eat more food than they require for their upkeep because they do not work physically, and also the easy availability of fast fat food.
Poor decisions or bad luck are just that. Bad luck is bad luck if you can call it that way. Poor decisions is culling the weak.