Whether this leads to improved performance is another question. JL
Arran Frood reports in Scientific American:
14% reported using stimulants at least once in the preceding 12 months in 2017, up from 5% in 2015. The non-medical use of substances to increase memory or concentration is known as pharmacological cognitive enhancement (PCE), and it rose in all 15 nations in the survey. Medications (included) Adderall and Ritalin as well as sleep-disorder medication modafinil and cocaine. (The) US reported the highest rate of use, but the largest increases were in Europe. Cultural factors, the prevalence of ADHD diagnoses and availability influence use. (48%) obtained the drugs through friends.



























































