In the early 2000s, Juan Cortez was living in New York City and battling a years-long addiction to drugs, when he noticed a crowd of people standing outside a building on East 140th Street in the Bronx. Recognizing the group as fellow users, he approached and asked what was inside the building. Cortez, who was in his late 20s, with a lean build and ever-present Yankees hat on his shaved head, was told it was a recovery program. Part of the treatment involved getting acupuncture every morning. At Lincoln Hospital’s…