Prescription drugs are expensive. But for years, a little-known program has given some hospitals discounts to help them provide care for low-income and uninsured patients. Professor Sayeh Nikpay explains why this program is now under fire and what this means for America’s safety net. For More on this Topic: Read Nikpay’s piece in the Health Affairs Blog on the 340B program   Further Reading: Episode 83: 21st Century Safety Net, Benjamin Veghte, National Academy of Social Insurance How U.S. Hospitals Often Undervalue Black and Poor Lives, Adam Reich, Columbia University