Between his undergraduate work, graduate work, and other studies, Bowen Neumann, MSW, has been in school a long time, and he's seen the changes that have taken place on campus regarding how students acquire and use substances. With the introduction of fentanyl into the supply chain, substance use on campus has become a zero-sum game of Russian roulette. Popular substances like Adderall, marijuana, and even e-cigarettes have been found laced with fentanyl.