A major variant of football is arena football, played by the Arena Football League (AFL). Arena football has eight-player teams and uses an indoor field 50 yards (46 m) in length, excluding end zones, and 28.3 yards (25.9 m) wide.
1 Sometimes, a medical condition may be causing the buildup of gas in the stomach. 2  For example, lactose intolerance, irritable bowel syndrome, colon cancer and gastrointestinal disorders can cause gas. 3  Treating these conditions can help relieve gas in the stomach.
The most common normal cause of belching is excessive gas in the stomach that comes from swallowed air. However, discomfort in the abdomen for any reason also may lead to excessive belching. Therefore, belching does not always indicate the presence of excessive gas in the stomach. It is not difficult usually to differentiate between excessive gas in the stomach and other causes of excessive gas. If the problem is gas in the stomach, belching brings relief.