The motor unit is composed of both the skeletal and muscular systems.
Simple or complex cars does require the process of digestion in order to be split and broken down into glucose and other types of nutrients. Grow foods are rich in carbs, which is healthy for people with an active lifestyle. Also if the carb is properly digested, yes it does help maintain proper blood sugar levels.
The obesity problem can be decreased by reducing the amount of fat foods the individuals consume; however it all still relates back to the motivation of the person.
People can have food addictions to my knowledge, just as they may become addicted to cigarettes or drugs. They may enjoy the taste of the sugar or carbonation they intake.
Schools may offer a nutritious meal, but that doesn't mean it is good quality. I would change it by increasing the quality, even if I paid extra. I see many kids who throw away their lunch because they think it's inedible.