You've also got to look at how doctors are being incentivized. Medicine funnels more money into the medical system- and kickbacks or 'rewards' programs from pharmaceutical companies are common.
Outside of that- people like their doctors to do things. Everybody knows that they could use a better diet and more exercise- a doctor who says that and nothing else may not make people feel like they're getting their money's worth.
Outside of that- people like their doctors to do things. Everybody knows that they could use a better diet and more exercise- a doctor who says that and nothing else may not make people feel like they're getting their money's worth.