I was once sitting in a restaurant with some others from the church my wife and I attend. A man across from me chose the triple patty cheeseburger with bacon, fries, and later, a big dessert. I felt sorry for the guy. There he was, 5’8” and 300 pounds, and readily admits to people that he needs to lose weight. Just no will power to do so.
BINGO. No healthcare in the world can fix the problems created by eating crap, smoking, and drinking alcohol while barely being able to walk from the car to the elevator without breaking into a sweat.
If you want a good life then eat good food and exercise every day and then once a year go see the doctor to confirm that you are doing the right things.