http://www.theglobeandmail.com/servl...ST02/TPHealth/
...Swiss researchers say they have finally isolated the secret: In oxytocin, we trust.
University students who inhaled the hormone in a nasal spray were discovered to be far more trusting of one another -- eager, in fact, to hand over money to strangers in investment deals.
...
The study already has some cynical scientists musing about whether political operatives will try to crop-dust crowds with oxytocin at rallies, whereas more hopeful researchers see the hormone as a potential boon in treating people with social phobias, or rare genetic disorders that cause children to trust everyone they meet.