American football, referred to as football in the United States and Canada, and also known as gridiron football or simply gridiron, is a sport played by two teams of eleven players on a rectangular field with goalposts at each end.
Flatulence, or gas, is actually a normal bodily function and, in fact, it is quite healthy. Flatulence is the by-product of digestion, although when cancer treatment causes severe flatulence and/or lower abdominal pain, measures can be taken to minimize the treatment's effects.
Helicobacter pylori, or H. pylori, bacteria are one of the most common causes of gastritis, an erosive inflammation of the stomach lining. H. pylori infection may lead to stomach ulcers, abdominal pain, indigestion, heartburn, nausea and vomiting.