Drug overdose deaths drop sharply in the U.S. even as new street drugs emerge

Drug overdose deaths continue to drop in the U.S., but experts say new street drugs made from synthetic chemicals are emerging rapidly.
Texas Public Radio

Historic decline in U.S. overdose deaths threatened by changing street drug supply

Drug overdose deaths are plummeting in the U.S. in ways never seen before. Experts worry new, toxic "synthetic" street drugs ...