The seven dietary guidelines of the 'omega diet', according to Brian Tomlinson, a professor in the medicine and therapeutics department at the Chinese University of Hong Kong, are as follows: Eat foods rich in omega-3 such as fatty fish (salmon, tuna, trout, herring, mackerel), walnuts, canola oil, flaxseeds and green leafy vegetables. Or if you prefer, take omega-3 supplements. Use monounsaturated oils such as olive oil and canola oil as your primary fat. Eat seven or more servings of fruit and vegetables a day. Eat more vegetable proteins, including peas, beans and nuts. Avoid saturated fat by choosing lean meat over fatty meat and low fat over full fat milk products. Eat oils that are high in omega-6, including corn, safflower, sunflower, soya bean and cottonseed oils. Reduce your intake of trans-fatty acids by cutting down on margarine, vegetable shortening, commercial pastries, deep-fried food, and most prepared snacks, mixes and convenience food.