Origins: How the Nine Months Before Birth Shape the Rest of Our Lives

What makes us the way we are? Some say it’s the genes we inherit at conception. Others are sure it’s the environment we experience in childhood. But could it be that many of our individual characteristics—our health, our intelligence, our temperaments—are influenced by the conditions we encountered before birth?

That’s the claim of an exciting and provocative field known as fetal origins. Over the past twenty years, scientists have been develo…