The next time you shake someone's hand, it will be uncomfortable.
Sniff
Research shows that after we shake someone's hand, we often subconsciously smell our hand. Is the one we shake hands with from the opposite sex? Then the chance is even greater that we sniff our right hand after the meeting. According to the researchers, it is a way of subconscious communication.
Watch the video of the investigation below. These participants had just shaken the hand of the researcher.
