Come to think of it, I had a training class with a young guy from Singapore a few years back. I am a chemist, and we were learning to operate a new GC. The guy always had a handkerchief in his hand that he would bring up to his nose occasionally. I thought he had allergies, until I saw him squirt some chloroform on it when he thought no one was looking.
Chloroform literally dissolves brain cells. What a shame.
No, he'll actually be promoted into management faster than otherwise... It's a step up the corporate ladder. (sigh)
It's probably a step toward Parkinson's disease.