What is the number one doctor-recommended exercise there is to lose belly fat?

Cardio Mix: You cannot target specific areas for weight loss - if you have adipose tissue to lose (not everyone does), then consider an increase in cardio & a balanced diet. However, do not always do the same exercise or you will increase your risks for stress injuries. Mix things up with walking, running, biking, swimming, or circuit training. Ultimately you need to burn more than you consume.

No # 1-spot fat loss: Not occur naturally. By losing weight in general some will probably be abdominal fat. But, we don't get to choose what area of body fat is lost from. Eat healthy ; be physically active. Calories burned must > those consumed. Tighten ab's: crunches, reverse crunches, exercise ball crunches, pelvic thrusts, lying leg raises, side bridge ; “bicycling” exercise on back. Do regular aerobic exercise.

Cardiovascular exer: You can not spot train to loose weight, in order to loose stubborn belly fat you have to loose weight all over and doing regular cardio workouts like running/jogging, bike riding aerobics 4-5x/ wk with strength training 2-3x/wk can lead to weight loss along with a healthy and balanced diet.