A patient of mine, a veteran who had tried to quit smoking for over a decade, told me that after he started a GLP-1 drug for his diabetes, he lost interest in cigarettes. He didn’t use a patch. He ...

MIAMI — When Susan Akin first started injecting a coveted weight-loss drug early this year, the chaos in her brain quieted. The relentless cravings subsided — only they’d never been for food. The ...