BrainSex - Why We Fall In Love, is an interesting documentary about the science and natural findings as to why humans fall in love.
For centuries, love has been celebrated - and probed - mostly by poets, artists, and balladeers. But now, its mysteries are also yielding to the tools of science, including modern brain scanning machines.
A handful of young people who had just fallen madly in love volunteered to have their brains scanned to see what areas were active when they looked at a picture of their sweetheart. The brain areas that lit up were precisely those known to be rich in a powerful feel good chemical, dopamine - the substance that brain cells release in response to cocaine and nicotine.
Dopamine is the key chemical in the brain's reward system, a network of cells associated with pleasure - and addiction....
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