Why Am I?

M What determines our personality, health, wealth and happiness? In 1972 the Otago University Medical School embarked on the ultimate nature/nurture test, to study 1037 babies for their entire lives.

M What is it that makes kids run off the rails, and what can be done about it? Why do some teens become career criminals, while others come right?

M The Dunedin Study has identified a fundamental developmental mechanism that completely rewrites the nature versus nurture argument. It's a genetic switch which is thrown by life events.

PG Series Final. This episode looks at the effects of modern life and aging - how excessive cleanliness affects asthma and allergies; how poverty can cause lifelong damage; and the physical effects of social isolation.