On Texas border, uninsured people stress the health system. It's set to get worse

The Rio Grande Valley in South Texas has some of the highest uninsured rates in the U.S. The number of uninsured residents is expected to swell over the next decade.

In South Texas' Rio Grande Valley, many people go without health insurance, and the health system struggles as a result. Similar communities dot the nation.

(Image credit: Sam Whitehead)