Love and chocolate
BBC News: Chocolate 'better than kissing'.
When it comes to tongues, melting chocolate is better than a passionate kiss, scientists have found. Couples in their 20s had their heart rates and brains monitored whilst they first melted chocolate in their mouths and then kissed. Chocolate caused a more intense and longer lasting "buzz" than kissing, and doubled volunteers' heart rates. The research was carried out by Dr David Lewis, formerly of the University of Sussex, and now of the Mind Lab.
Cadbury has brought out a new 60% cocoa chocolate, and it was used for this study. I bet this will turn up in their adverts. A Cadbury spokeswomen said: "You'd think people would be shy about kissing in a laboratory, but that wasn't the case at all. We're not talking about a quick peck here." Kissing for the cause of science...