Hallucinations...?

[That has him pause with a frown, and he immediately reaches for where his phone is resting along the desk.]

We had been mostly concerned with physical effects such as what they could do to lungs. Hallucinogenic properties make this situation all the worse.

[Who knows when someone might attack another, after all, tricked by their own mind.]

I'll be certain to let the young master and my associates know.