The Netflix series follows a 13-year-old accused of murdering a girl from his school. Co-creator and star Stephen Graham says he read about similar crimes and wanted to know: "Why is this happening?"

While most unpaid family caregivers in the United States are adults, experts estimate that there are millions of adolescent Americans who provide this type of work every year — and studies suggest that young caregivers are at higher risk of adverse outcomes.

For parents of teenagers, adolescence can be challenging, but to a brain scientist it's a time of breathtaking development. And it's a "window of opportunity" on the way to becoming an adult.