Drug dependence issues and compulsive behaviors create a heavy load on health systems around the world. Reports show about 316 million individuals used drugs in the previous year by 2023. In the US more than 48.5 million people from age 12 upward deal with these problems. Our work pulls together data from research done from 2020 through 2025. It covers mental health treatments like drug-based options psychological sessions brain stimulation tech blended online support and care for linked mental issues. We followed PRISMA standards to check sources including PubMed PsycINFO Embase Web of Science and Cochrane Library. For brain stimulation we ended up with 94 pieces after cuts. Overall the approach brought in more than 200 items for story-like overview. Results point to solid impacts in cutting down drug intake with Hedges' g from 0.52 to 0.70. Better results in paired conditions show odds ratio of 1.85 for getting better. Brain stimulation looks good for lowering urges at g equals 0.70. New ideas such as remote health services and oversight plans boost involvement. Still problems like social judgment unequal entry and relapse figures from 40 to 93 percent linger. We stress moral points around fair reach and unified help for at-risk groups in coming steps.

Drug dependence Compulsive behaviors Brain stimulation Addiction recovery Blended therapies