By the time Nicholas Bickford sought help for addiction in Manchester two years ago, he said he had suffered about 12 overdoses over decades of addiction. He had been through several rehab programs and in and out of probation and parole.

“I finally had had enough,” he said. “I took every suggestion. And it just started clicking,” he said. Like so many, his addiction began with painkillers and led to illicit drugs, including heroin.