It's still an open question whether stimulants are good or bad for you. For example one of 20th century's most famous mathematicians, Paul Erdős, was dependent

It's still an open question whether stimulants are good or bad for you. For example one of 20th century's most famous mathematicians, Paul Erdős, was dependent on amphetamine. Perhaps the disagree-downvoters can point to some evidence showing moderate usage of stimulants being harmful?