Fat is found naturally in some foods. People often eat it in processed foods such as cakes and chocolate. It is high in energy. Omega 3 and omega 6 fats are needed by the body. There are saturated fats and unsaturated fats. It is recommended that people avoid the saturated type. It has been linked with heart disease. Trans fats is also a fat people should avoid. A lot of people think that fat is bad in general, but it is still controversial. People are also advised not to eat too much sugar or salt.