Botox injection in the forehead alters brain activity linked to emotion

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Close up of man injecting Botox into a woman's forehead

botox injections paralyze the muscles so frown and smile lines are not seen


After having Botox injected into the forehead, people’s brains react differently when viewing images of faces showing emotion. This could mean that they find it hard to interpret other people’s emotions because of disrupted signaling between their facial muscles and their brain.

Michelle Breen — who works at AbbVie, which makes Botox, and at the University of California, Irvine — and his colleagues scanned the brains of 10 women between the ages of 33 and …

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