Biology of Dads

Child psychologist Laverne Antrobus goes on a quest to discover why dads are so important. Through a series of extraordinary experiments she discovers how radical changes in a man's hormones during his partner's pregnancy actually serve to boost his nurturing instincts. Laverne's final investigation is perhaps most intriguing of all: can a father's relationship with his daughter really influence when she reaches puberty and who she eventually marries?

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S2010E33 - The Box That Changed Britain