Like :

• Weight loss. Australian researchers found in 1999 that eating tuna, salmon or other fish rich in omega-3 fatty acids once a day as part of a weight loss plan helped people lose weight.
• Mental illness and depression. Patients with bipolar disorder – known also as manic-depression – who took fish oil capsules regularly displayed fewer symptoms. It is believed that omega-3 fatty acids help stabilize mood.
• Crohn’s disease. Several studies show that taking fish oil capsules appears to reduce symptoms and aid in the remission of this often painful inflammation of the bowel that can also cause diarrhea and weight loss. Fish oil appears to also prevent relapse of the disease.
• Rheumatoid arthritis. In the past 10 years, several studies have suggested that fish oil can help reduce or control inflammation of the joints. Studies have suggested that omega-3 fatty acids have helped patients reduce their need for anti-inflammatory drugs.
• Cancer. Several studies during the past five years have found that people who consume a lot of omega-3 fatty acids seem to have a decreased risk of some types of common cancers – notably breast, colon and possibly prostate.
• Blood pressure. A study showed that combining a daily meal that includes fish with a weight reduction plan lowered the blood pressure and heart rate for overweight people suffering from high blood pressure.