If fear of aggravating heartburn is your biggest barrier to regular exercise, good news: several studies have found that the right type of exercise can reduce reflux instead of provoking it. These exercises are those that are less agitating to the body, such as riding a stationary bike instead of intense running, and that avoid being in a prone position on your back or belly. Other helpful actions are always avoiding eating for two hours before exercise, cutting sugary sports drinks out of your diet, and eating more fiber. Read more.