Lipid compositions comprising nuts, seeds, oils, legumes, fruits, grains, and dairy useful in specified amounts as dietary supplements and diet plans designed around and including the aforementioned for the prophylaxis and treatment of numerous diseases are disclosed. The compositions include omega-6 and omega-3 fatty acids where the ratio of the omega-6 to the omega-3 fatty acids and their amounts are controlled based on one or more factors including age of the subject, sex of the subject, diet of the subject, the body weight of the subject, medical conditions of the subject, and climate of the subject's living area.