How does the ‘toxic stress’ of poverty hurt the developing brain?

"A growing body of research shows that the stress of growing up in poverty can have long-term effects on children's brains and cognitive development. How can so-called “toxic stress” be prevented?"

NewsHour’s Megan Thompson reports...from the continuing public media series "Chasing the Dream." Thompson is currently a fellow with the Rosalynn Carter Fellowships for Mental Health Journalism program.