SNAP has provided grocery help for 60-plus years; here's how it works

The , or SNAP, is a major piece of the U.S. social safety net used by nearly 42 million, or about 1 in 8 Americans, to help buy groceries.

Originally known as the food stamp program, it has existed since 1964, serving low-income people, many of whom have jobs but don’t make enough money to cover all the basic costs of living.