Flatulence refers to the passage of gas through the rectum and anus. The gas is composed of various gases such as nitrogen, oxygen, carbon dioxide, methane, and hydrogen. Flatulence is a normal bodily function that occurs as a result of the digestive process. It can be caused by several factors, including the consumption of certain foods, such as beans, lentils, and broccoli, as well as carbonated beverages and dairy products. Additionally, certain medical conditions, such as lactose intolerance, celiac disease, and inflammatory bowel disease, can also cause flatulence. While flatulence can be embarrassing or uncomfortable, it is usually not a serious medical concern. If excessive flatulence is causing discomfort or interfering with daily activities, it is best to consult a healthcare professional for advice.