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"scott" <sco### [at] scott com> wrote in message
news:48d11c49$1@news.povray.org...
> In films, I have several times seen people be knocked unconscious, or lost
> consciousness for some other reason, only to be brought back round by
> another person making them sniff some chemical. Whatever chemical it is
> seems to work almost instantly to make them awake again.
>
> Question: Does such a substance exist in real life? What is it?
>
Anything very strongly scented works, though not usually so miraculously.
It's mainly for when a person has fainted, rather than beaten unconscious.
Smelling salts or ammonia-based substances are the ones I've seen used.
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