Losing weight through diet and exercise may top the list when it comes to relieving acid reflux, but some exercise may harm more than it helps, experts say. One study found that "high-agitation" exercises such as running and jumping worsened reflux. But low-impact cardiovascular exercise such as walking, cycling, and other exercises where a person remains upright did not cause as many symptoms. Experts say that avoiding food for at least two hours before working out, as well as avoiding...