This Recovery Research Institute review summarizes a recent meta-analysis of research on brain stimulation as a treatment for substance use disorders. The study finds that stimulation using specific methods on specific brain regions may have a positive effect on craving.
Zhang, J. J., Fong, K. N., Ouyang, R. G., Siu, A. M., & Kranz, G. S. (2019). Effects of repetitive transcranial magnetic stimulation (rTMS) on craving and substance consumption in patients with substance dependence: a systematic review and meta‐analysis. Addiction, 114(12), 2137-2149. doi: 10.1111/add.14753