Essential Guide to Your Hormones 

Hormones are the body's chemical messengers and are part of the endocrine system. Endocrine glands make hormones, which travel through the bloodstream to tissues and organs, and control most of our body’s major systems. The endocrine system regulates our heart rate, metabolism - how the body gets energy from the foods we eat - appetite, mood, sexual function, reproduction, growth and development, sleep cycles, and more. Visit hormone.org to learn more!