what does noradrenaline do
The body's flight-or-fight system is designed to prepare the body for a perceived threat or stressful situation. Norepinephrine assists in this process by increasing blood sugar levels, opening up the bronchial airways, and converting bodily fats to fatty acids.rain Processes. Norepinephrine's effects on the brain involve the areas that regulate attention, sleep, learning and emotions. When released, it stimulates the emotional and cognitive centers of the brain. When produced in normal amounts, it can create a sense of well-being, as well as euphoria.