Want to Quit Smoking or Lose Weight? Try Major Surgery.

The threat, or experience, of major surgery may be the best way to get patients to change unhealthy behaviors.
It only works if you actually go.

When it comes to health care, less is generally more. That's doubly true of surgery. Opening up the body means introducing alien bacteria into places where bacteria aren't supposed to be. Those bacteria may begin to multiply out of control, killing the patient. Or there may be side effects from anesthesia. Or the scar tissue you've created may block something that you need to be unobstructed. So although surgery can do great wonders, you generally want to do as little as possible (though no less).

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