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It’s Beginning to Smell a Lot Like Christmas: The Neuroscience of Our Nostalgia by Amanda Baker.

Have you ever smelled something so familiar that it felt like you were transported back through time into one of your earlier memories? Have freshly baked cookies, your grandmother’s chili sauce, or a specific brand of sunscreen after a long winter actually affected the way you feel?

It turns out that science can explain this link between important memories and the smells associated with them. By studying the activity in our brains, scientists may even have an explanation why your uncle tries to tell you the same five stories about his childhood during the holidays each year.

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