Endocrine Society is a global membership organization representing professionals from the field of endocrinology. Medical doctors, scientists, researchers, and educators comprise the majority of the Society’s membership. Endocrinologists conduct research on – and treat patients with – a host of conditions and diseases related to the human body’s complex system of glands and hormones. Hormonal disruptions cause conditions that affect millions of people, including diabetes, thyroid disorders, obesity, infertility, growth disorders, sleep disorders, and endocrine cancers.