I can't comment on whether these drugs affect someone or not, but it is interesting to note that Feynman tried LSD once and then dropped it because he was worri

I can't comment on whether these drugs affect someone or not, but it is interesting to note that Feynman tried LSD once and then dropped it because he was worried about the potential effects it would have on his brain. In fact, a lot of the smartest people I know say that they don't do drugs not for any moral reason, but because they are worried they will damage their mind in some unforeseen way.