thereafter coughed out cause any harm? Could any damage whatsoever, however miniscule, be dealt to the brain cells through a sudden whiff of nail polish, if it is then immediately coughed out and the room containing the odor is then vacated by said whiffee?

In this scenario, the brand is Sally Hansen, which it should be noted no longer contains dibutyl phthalate (DBP), formaldehyde or toluene.

Detailed answers appreciated. One word or one sentence responses will be ignored.