Homeless in San Francisco may be healthier and happier than many elsewhere. Especially if they got a hammock, smart car, some $, and no drugs or gay diseases.
If you got $ Eat in Chinese French restaurants every day.
Or learn to cook and garden.
Run. Walk. Bike. Swim. Ski. Tennis.
In Kansas I saw big fat slobs shop at $ store. Huge display of soda pop drinks. Cost more than 2$ gallon of milk from poor local farmers and free eggs from own hens and free water. Grow your own vegs for exercise. Fresh. Raw.
Kansas seems a little heathier than Missouri but many of the same problems. Especially Ozarks hillbillies moonshine whiskey culture. The rich families who kept big family farms are doing fine.