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What part of your brain causes the sensations of being in love?

Dr. Michael Roizen, MD
Internal Medicine
Surely, love and lust are complex emotions that include a little bit of luck, a little bit of work, and a little bit of that intangible "chemistry." But from a purely biological standpoint, these chemical signals you receive via pheromones and other stimuli bypass the thinking or logical part of your brain and go straight to your amygdala-the emotional part. And that's why strong attractions cause intangible sensations like butterflies in your stomach, tingling in your spine, and all-out I've-got-to-be-with-you insanity.

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