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A comment on Handshaking may be a chemical as well as a social greeting.

Re:Handshaking may be a chemical as well as a social greeting by madaxe_again on Wednesday March 04, 2015 @12:07PM (#9145659)
Perhaps Dr Sobel just smells funny...

As far as I'm aware, the handshake started as an impromptu dirk-frisk.

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Re:Handshaking may be a chemical as well as a social greeting by ripter on Wednesday March 04, 2015 @12:34PM (#9145855)
http://en.wikipedia.org/wiki/Handshake agrees with you (it's also what I had learned.)

We know people did it back in the 4th century BCE, so it's not a stretch to think that it might be a lot older than that. Old enough that it's just something we've always done, with no real idea as to why. So we make up reasons, like to show we are not armed.

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