Pheromones. We've also all heard of them, but what actually are they and how do they effect us? Cue boring science-y bit, let's learn something together. Pheromones are a type of hormone that operate outside of the body and send signals which are received through the nose. These signals effect members of the same species in either a physical or emotional way. NOTE. I am going to confess something by the end of this article, so read the whole of it or go to the end! According to research conducted in Sweden using brain imaging, men and women can send and respond to these signals through an area in the brain called the hyperthalamos which deals with sexual behaviour and emotions specifically. So what we are really saying here is that men (or women) looking to get some action, release the smell of I-am-looking-for-action and that someone will respond to this, all without words. You know that feeling you get when you first meet someone and you are way n...