ID from your email receipt/confirmation: Full Name: Email Address: Mechanisms that control learning behavior fall into two very broad categories: “stop” signals and “go” signals. True False Researchers suggest that an abundance of the hormone serotonin may drive an actual physical need for carbohydrates. True False The author advises to consume enough calories during the day. True False Endorphins are very powerful natural opiates in the brain that do not produce feelings of intense pleasure. True False Stress is also associated with low serotonin levels, which can also lead to carbohydrate cravings to boost serotonin. True False According to the author, studies show that pets, though they can add a sense of unconditional love to our lives, do not reduce blood pressure and stress. True False Your body absorbs complex carbohydrates more slowly than sugars and thus, they will bring you up and ease you down more gently. True False Many experts agree that men tend to experience food cravings more often than women do. True False