Hormones shape each and every one of us, affecting almost every aspect of our lives - our height, our weight, our appetites, how we grow and reproduce, and even how we behave and feel.
This documentary tells the wonderful and often weird story of how hormones were discovered.
Presenter John Wass, one the country's leading experts on hormones, relates some amazing stories - how ...
In 1828 Scotland, Edinburgh surgeon Dr. Knox does medical research on cadavers he buys from murderers Burke and Hare, without questioning the unethical procurement methods.