It's bad to exercise to the point of injury.
Anthony is very overweight, and is told by a doctor he needs to get healthier.
Anthony wants to shed a lot of weight.
Anthony consults a nutritionist on some lifestyle changes he can make over time.
Anthony starts off doing extreme workouts with no experience whatsoever.
Anthony starts losing weight in a healthy manner, changing his entire life around.
Anthony triggers a heart attack, and passes away from it.