The Fantastical World of Hormones with Professor John Wass (video Mp4)

Unclear on how hormones work, what they do, where they come from?
Unclear on what the pineal gland actuallly does?

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.