Various embodiments of the invention disclosed herein include methods of inducing satiety a mammal in need thereof. Also disclosed are methods of inducing satiety in an obese mammal. Additionally disclose are method of suppressing appetite in a mammal in need thereof. Further disclosed are methods of treating obesity. The methods described herein involve the administration of serotonin, a serotonin agonist or a serotonin re-uptake inhibitor to the mammal.
