Neutral antagonists of the CB1 cannabinoid receptor, means for identifying neutral antagonists of the CB1 cannabinoid receptor, and uses thereof. Antagonists of the CB1 cannabinoid receptor can be used to prevent, treat or reduce the severity of various medical conditions and symptoms, including, but not limited to obesity, appetite disorder, another metabolic disorder, drug addiction and/or mental illness. Administering neutral CB1 cannabinoid receptor antagonists in place of or in combination with known CB1 cannabinoid receptor antagonists or inverse CB1 cannabinoid receptor agonists in an individual or animal to treat a medical condition with a reduction of unwanted side effects. A method of detecting a neutral CB1 cannabinoid receptor antagonist, including identifying a candidate compound subjecting the candidate compound to one or more of a cAMP assay, CB1 competitive binding assay, food intake assay, thermoregulation assay, or emesis assay and selecting the compound if it exhibits neutral antagonist activity.