This is Your Brain on Drugs –

January 11, 2019 – “Beginning in the 1980s, we started doing brain imaging, and we developed cues that were associated with drug use,” he said. His finding helped explain the hallmarks of addiction: how people almost always relapse, and keep using drugs despite the often devastating personal costs. The work provided a scientific basis for calling addiction a brain disease.  Scientists continue to build on this discovery to better understand the complicated — and sometimes unexpected — ways that addiction affects the brain.

Full Story @ WHYY.org