psychoactive drug
mind-altering drug
consciousness-altering drug
psychoactive substance

"You can have mind-altering drugs and no one will care," Pound said.

"He was with a group of people who are opposed to mind-altering drugs," Steinberg said.

It's not being brought on by mind-altering drugs, you know?

Some people suggest that, judging by the nature of these stories, the tobacco was sometimes mixed with strong mind-altering drugs.

Attacks may also accompany the use of mind-altering drugs.

For some groups, this can involve the supernatural or use of mind-altering drugs.

He'd been dosed with mind-altering drugs for days on end.

And for all we know, Moore could have been flying on mind-altering drugs.

They're after the same effect, that "buzz" one gets from a mind-altering drug.

This is especially true of addictive, mind-altering drugs like marijuana.