[nitrogen]

Well, if it is Marijuana now, then what's next in line?

This slippery slope argument is decades old and isn't borne out by experiences with decriminalization or legalization in other countries. I'm not and never have been a user, but I see a lot more harm in criminalization than in legalization.

pulling "the science says" card out

Science is a trump card because science trumps. Seriously, people wouldn't constantly perform science if it didn't work.