People diagnosed with both anorexia nervosa and bulimia nervosa have alterations in levels of which neurotransmitters?

A. Norepinephrine and Dopamine: Norepinephrine plays a role in arousal and alertness, but the most consistent neurotransmitter disturbances in eating disorders involve dopamine and serotonin, which influence reward pathways and appetite regulation. B. Gamma-aminobutyric acid (GABA) and Histamine: These neurotransmitters are not primarily implicated in the pathophysiology of anorexia nervosa or bulimia nervosa. GABA is linked to anxiety regulation, while histamine is more related to allergic responses. C. Norepinephrine and Gamma-aminobutyric acid (GABA): Alterations in these neurotransmitters are not the key neurochemical abnormalities in eating disorders. While stress and anxiety systems may be involved, they are not the most characteristic findings. D. Dopamine and Serotonin: Both neurotransmitters are strongly implicated in anorexia and bulimia. Serotonin disturbances affect mood, impulse control, and satiety, while dopamine dysregulation impacts reward processing and motivation to eat.