Virtually all drugs of abuse known at this time
A)either once were or now are being investigated as potential pharmaceutical agents.
B)are not very different in chemical structure from earlier generations of recreational chemicals.
C)tend to enhance the function of the central nervous system.
D)are found to have their main effects outside of the central nervous system.

Question

Quizplus · Accepted Answer

Many drugs of abuse were initially investigated for their potential therapeutic benefits before their addictive properties became fully understood. This includes substances like opioids, which were explored for pain relief, and stimulants, which were looked into for their potential to treat disorders such as ADHD.

Virtually All Drugs of Abuse Known at This Time