If you eat too much junk food, it will make your health beyond toleration, so we should be fine eating habits by eating less junk food or avoid exercise, and relaxation.
If you eat too much junk food. It will make your health worse, so we should be eating behavior change. Eat less junk food and exercise regularly or avoid them regularly.
If you eat too much junk food will make your health better, so we should adjust their eating habits to eat junk food less. Or should be avoided, and exercise a lot.