Is the use of study drugs (without a diagnosis and appropriate prescription) ethical?

Is the use of study drugs (without a diagnosis and appropriate prescription) ethical?There exist a number of prescription drugs called nootropics, which are intended to improve concentration, focus, and general cognitive (brain) function. These have legitimate medical uses as treatments for conditions like narcolepsy.

Is the use of study drugs (without a diagnosis and appropriate prescription) ethical?There exist a number of prescription drugs called nootropics, which are intended to improve concentration, focus, and general cognitive (brain) function. These have legitimate medical uses as treatments for conditions like narcolepsy.