Hormones are part of our daily life. When you think of hormones, there are more than just the usual suspects, the estrogen and testosterone.
In fact, there are many more hormones that shape and affect almost every aspect of our lives. Hormones are responsible for our weight, our height, our appetite, how we grow, how we reproduce, and even how we behave.
But hormones were not always part of our life. While they were present, scientists and health experts have not always known about them.
John Wass is one of the leading experts on hormones, and he tells the story of how hormones were discovered. He tells some amazing stories, including how boys were castrated in the 19th century in order to keep their pure soprano voice, and how some juices were extracted from testicles.
It might sound weird, but back in the days, when scientists did not know about hormones, they were doing some strange stuff.
Nowadays, hormones are one of the most popular topics in medicine, as we trying to battle diseases.