What would happen if you didn't smile? - Robert T. Anolik, M.D., featured in USA Today
May. 15, 2017

"If someone chose not to smile, they may have skin that looks more youthful, despite possibly looking joyless," Dr. Robert Anolik, fellow of the American Academy of Dermatology said in an email. "In the near term, there would be no deep lines forming at the crow's feet area. In the long run, someone wouldn't develop as many permanent creases or deeper creases at the crow's feet."
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