The Science of Love

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The science of love When do you know if you fancy someone? What does love do to your brain chemicals, and is falling in love just nature's way to keep our species alive?  We call it love. It feels like love. But the most exhilarating of all human emotions is probably nature’s beautiful way of keeping the human species alive and reproducing. With an irresistible cocktail of chemicals, our brain entices us to fall in love. We believe we’re choosing a partner. But we may merely be the happy victims of nature’s lovely plan.| |  It’s not what you say...Psychologists have shown it takes between 90 seconds and 4 minutes to decide if you fancy someone.Research has shown this has little to do with what is said, rather * 55% is through body language * 38% is the tone and speed of their voice * Only 7% is through what they say|

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 The 3 stages of loveHelen Fisher of Rutgers University in the States has proposed 3 stages of love – lust, attraction and attachment. Each stage might be driven by different hormones and chemicals. Stage 1: LustThis is the first stage of love and is driven by the sex hormones testosterone and oestrogen – in both men and women.  | Stage 2: AttractionThis is the amazing time when you are truly love-struck and can think of little else. Scientists think that three main neurotransmitters are involved in this stage; adrenaline, dopamine and serotonin. AdrenalineThe initial stages of falling for someone activates your stress response, increasing your blood levels of adrenalin and cortisol. This has the charming effect that when you unexpectedly bump into your new love, you start to sweat, your heart races and your mouth goes dry.|   DopamineHelen Fisher asked newly ‘love struck’ couples to have their brains examined and discovered they have high levels of the neurotransmitter dopamine. This chemical stimulates ‘desire and reward’ by triggering an intense rush of pleasure. It has the same effect on the brain as taking cocaine! Fisher suggests “couples often show the signs of surging dopamine: increased energy, less need for sleep or food, focused attention and exquisite delight in smallest details of this novel relationship” .| |  SerotoninAnd finally, serotonin. One of love's most important chemicals that may explain why when you’re falling in love, your new lover keeps popping into your thoughts. Does love change the way you think?

A landmark experiment in Pisa, Italy showed that early love (the attraction phase) really changes the way you think.  | Dr Donatella Marazziti, a psychiatrist at the University of Pisa advertised for twenty couples who'd been madly in love for less than six months. She wanted to see if the brain mechanisms that cause you to constantly think about your lover, were related to the brain mechanisms of Obsessive-Compulsive Disorder. By analysing blood samples from the lovers, Dr Marazitti discovered that serotonin levels of new lovers were equivalent to the low serotonin levels of Obsessive-Compulsive Disorder patients.|  Love needs to be blindNewly smitten lovers often idealise their partner, magnifying their virtues and explaining away their flaws says Ellen Berscheid, a leading researcher on the psychology of love. New couples also exalt the relationship itself. “It's very common to think they have a relationship that's closer and more special than anyone else's”. Psychologists think we need this rose-tinted view. It makes us want to stay together to enter the next stage of love – attachment. Stage 3: AttachmentAttachment is the bond that keeps couples together long enough for them to have and raise children. Scientists think there might be two major hormones involved in this feeling of attachment; oxytocin and vasopressin. Oxytocin - The cuddle hormone Oxytocin is a powerful hormone released by men and women during orgasm. It probably deepens the feelings of attachment and makes couples feel much closer to one another after they have had sex. The theory goes that...
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