For improving health fatty oils that contains Transand saturated fatty acids should be replaced with oils rich in monosaturatedand polyunsaturated fatty acids that have the basic task to lower cholesterol. Olive oil obtains by squeezing olives and has awide use in cooking, cosmetology and medicine. It is appreciated as a dietaryproduct due to its high content of unsaturated fatty acids and polyphones. Thisoil uses as a remedy for burns, intestinal and gastric inflammation anddestroying various types of bacteria. It is good for the heart and bloodvessels, and has a very important role in relieving pain from rheumatoidarthritis. Its antioxidants and healthy fatty acids lowers bad (LDL)cholesterol.Olive oil is a common ingredient in cosmeticproducts, particularly those used for dry, damaged skin, skin that is prone toeczema, as well as preparations for sunbathing. Its use advises in home makingmasks for the face, hair and body. Olive oil is the main ingredient of Mediterraneancuisine, especially cold pressed as a salad dressing. In addition to provenmedicines and nutrients, it admits as a very powerful aphrodisiac.Depending on the method of processing there areseveral types of olive oil. Oil obtained by the first processing is extravirgin olive oil which is considered the best. By second processing obtainsvirginal oil, and every following processing more purifies oil making lighterversions.Formula of strong immunity considers taking omega3 fatty acids that belongs to the healthy fats. These acids are involved inbuilding cell membranes and hormones. The best source of omega-3 fatty acids isflaxseed oil. Considering its purchase it is important to pay attention toquality, because the light and oxygen can easily destroy it. It means thatflaxseed oil should be kept in the dark, well-sealed glass bottles. It must bekept in the fridge and used for cold dishes, never for cooking, because thehigh temperature destroys the omega acids. Flaxseed oil promotes weight loss because theomega 3 fatty acids help in reducing body fat. These acids reduce cholesterol, triglycerides andheart arrhythmia, preventing diseases of heart and blood vessels.Laboratory researches have shown that omega 3fatty acids can selectively destroy cancer cells in tissue, without destroyinghealthy cells. It is believed that in the future high doses of omega 3 mightcause slowing or stopping tumor growth, while healthy people are advised toenrich diet with omega acids as prevention of cancer. In two thirds of arthritis cases, patients whotook omega acids as a daily dietary supplement noticed a significant progress,and no longer had to take medication based on steroids. The other 20 percentwere able to reduce anti-arthritis drugs. Psoriasis, acne, eczema, dry skin, allergies andother skin conditions are usually associated with a lack of omega acids. Also omega 3 fatty acids regulate immunity andthey are responsible for the physiological body response to stress. Nut Oils - almond, hazelnut, macadamia, pecan andpistachio oils have high level of monounsaturated fats. Also, almond andhazelnut oils are a significant source of vitamin E. Walnut oil isabundant in polyunsaturated fats and omega 3 fatty acids.