Humans can benefit from taking fish oil and foods that are high in omega 3 fatty acids. Since omega 3 is considered good fat, dietary supplements have been developed for human consumption. Main sources of omega 3 fatty acids are cold-water fish and fish oils. There are varying amounts of omega 3 in certain foods such as seeds, nuts, vegetable oils, flaxseed and eggs. DHA and EPA are the most prominent components of omega 3 fatty acids. These components are vital for cellular membranes in humans. Cell membranes become more rigid during the aging process which greatly affects brain function and other tissues. DHA is the most influential element of omega 3 fatty acids to the brain since it directly affects brain functioning, chemistry and development. DHA is beneficial to both adults and children,...