Omega-3 fatty acids in order to investigate effects on human health, review of previous studies and outlined in this study, the results of previously conducted research on omega-3 fatty acids and mainly cardiovascular disease and hypertension, including Alzheimer, depression, schizophrenia, astima, stroke, rheumatoid arthritis, osteoporosis and prostate, breast, bowel and lung cancer is of vitual importance in the preventation and treatment of of many diseases and showed that no occurance of significant side effects also concluded that this natural functional compounts of the name of results can be used safely in the preventioan and treatment of the aforemetion ed diseases.