Why do people need to make sure their diet consists of fat if fat is what clogs arteries?

Essential fatty acid: Not all fat is bad. In fact we all need to consume some fat. Some of the fatty acids are not synthesized by the body and need to taken in with the diet. Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex.