1 This condition is caused by malfunctioning of the stomach muscles; and is treated with medication to stimulate the muscles. 2  Celiac disease or gluten intolerance is another common digestive system disease. 3  It is a type of autoimmune disease that affects the small intestine.ommon Digestive Diseases. As mentioned above, the organs of the digestive system may develop different medical conditions. While some of them affect a particular organ or a part of that organ, some others affect more than one organ of the system.
Fish oil, omega-3: A class of fatty acids found in fish oils, especially from salmon and other cold-water fish, that acts to lower the levels of cholesterol and LDL (low-density lipoproteins) in the blood. Omega-3 fish oil is therefore thought to be a neutraceutical, a food that provides health benefits.
Fish oil is one of the most commonly consumed dietary supplements. It's rich in omega-3 fatty acids, which are very important for your health. If you don't eat a lot of oily fish, taking a fish oil supplement could help you get enough omega-3 fatty acids. Here is an evidence-based guide to fish oil supplements and their health benefits.