There are several unique hormones that are essential to different functions of the body. Simply put, hormones help regulate the body, its functions, and the brain. However, hormones are responsible for communicating two separate messages to the body to exert its functions. Many people understand the basics of hormones, but can’t answer the question; where do hormones come from? Keep reading more details to understand what hormones are, how they function, and the impact of hormone therapy.