Online dating has changed the way we approach and pursue relationships. Like so much in modern life, potential partners are at the mercy of an algorithm that decides who we interact with. But has technology actually changed what we’re looking for? Can attraction and desire be predicted? Helen Fisher, a biological anthropologist and Chief Science Advisor at Match.com, has been on the front lines of the clash between a centuries-old phenomenon and relatively new technology. In this episode, she talks to CNN Chief Medical Correspondent Dr. Sanjay Gupta about what has and hasn’t changed about the dating brain.

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