Even when you are relaxed and resting you need [?]. Different people have different energy requirements. It depends on your [?], your [?], your lifestyle.We get our energy from foods that contain [?], fat and [?]. A a gram of contains more energy than a gram of or carbohydrate (which it is why if you eat too much you put on weight very easily). If you your energy intake ([?]) is the same as the amount of energy used your weight stays the same. If your energy in is that your energy the extra food is stored as fat and you put on weight. If energy in is less that energy out you will loose weight. To be healthy you need a balanced diet. You should eat lots of [?] and vegetables. Fish, egga and white meats contain lots of . Too many fatty foods can cause heart and [?]. Sugar gives you energy but it rots your . Too mach salt can lead to high .