Key findings:
- Illicit use of at least one prescription drug for the purpose of enhancing either cognitive ability or study was reported by 18.2% of regular psychostimulant users in the last six months, with dexamphetamine being the most commonly used drug (9.8%).
- 36.4% of these participants reported experiencing at least one negative side effect on the last occasion of illicit prescription cognitive enhancer (CE) use.
- Recent illicit use of any prescription CE was predicted by younger age and greater recent poly drug use.