Omega-3 fish oil is an anti-inflammatory molecule. Omega-3s may improve many conditions such as: high blood pressure, arthritis pain, inflammation and depression. Omega-6 is an inflammatory molecule and competes with omega-3 for the same chemical receptors in the body. Omega-6 is important in the body as it promotes inflammation but it is abundant in western diets. Many people may find it beneficial to lower their omega-6 levels and increase their intake in omega-3.