What is making American children sick? Cancer rates are climbing. Cases of autism, attention-deficit hyperactivity disorder, and asthma are through the roof. Is the answer all around us – in the food our kids eat, the air they breathe, and the clothes they wear? Tonight, Chronicle investigates a provocative thesis about the American lifestyle and its effects on children's health.

Chronicle Toxic Segment One

Chronicle Toxic Segment Two

Chronicle Toxic Segment Three

Chronicle Toxic Segment Four