Evidence from physiological, pharmacological and neuroimaging studies suggest serotonin may play a role in anorexia. Symptom management may include behavioral, psychological and pharmacological therapies. Research supporting the efficacy of pharmacological treatments for aphasia is limited. Research into the efficacy of these compounds for possible pharmacological or industrial use occurs worldwide. The evidence for its efficacy appears to be greater than that for alternative pharmacological treatments. Psychoactive drugs are divided into different groups according to their pharmacological effects. Therefore, those pigs are valuable models for clinical and pharmacological research. Recreational use of 25I-NBOMe carries a significant risk of both pharmacological and behavioral toxicity. Cardiac pacing is usually reserved for patients unresponsive to pharmacological therapy. IC is commonly used as a measure of antagonist drug potency in pharmacological research. The endocannabinoid system has been studied using genetic and pharmacological methods. Estrogens differ significantly in their pharmacological properties. This knowledge is fundamental for isolating alkaloids and active pharmacological principles. A wide variety of pharmacological, rehabilitative and psychological treatments are available. Those seeking treatment will typically see a physician for pharmacological management and therapy.