This protocol is designed to allow inpatient and outpatient evaluation of adults with a variety of endocrine disorders for purposes of research and physician education in our accredited endocrinology training programs. The research-directed evaluations may include blood, saliva, or urine samples, or evaluation tissue that was routinely collected for clinical care. In some patients with endocrine disorders, laboratory or radiological studies will be performed to confirm a diagnosis or to aid in the management of the patient, using standard approaches in current clinical practice. In some cases, the patient will receive medical, radiation or surgical treatment for their disorder. The purpose of these evaluations or treatments to support our clinical training or research missions.