Fish is a delightful food rich in vitamins, minerals and protein. It also is an excellent source of Omega 3 fatty acids - EPA and DHA, while the saturated fat concentrations are very low. Regular consumption of fish can guard you against a number of medical conditions including asthma, several cancers, diabetes, cardiovascular disorders, ophthalmic conditions and even depression. The consumption of fish is even associated with improvement in inflammatory disorders like Rheumatoid Arthritis, Psoriasis and many autoimmune disorders.