SAN DIEGO — People across the country are crossing the border to Mexico, hoping an alternative form of therapy will cure their addiction to opioids.

One former addict shared his story with Scripps station KGTV in San Diego. He asked that he only be referred to as Bob.

“I had been to traditional rehabs throughout my life, mostly against my will,” said Bob.

He said he got hooked on painkillers after multiple injuries due to ...