Gülmək sizi daha xoşbəxt edə bilər—əgər kimsə sizi məcbur etmirsə
phys.org 04.11.2026 15:00 8 baxış
Nicholas Coles, Ph.D., had long heard that forcing a smile can make you feel a little happier—after all, he had done a lot of the research that supposedly proved it. But something didn't sit quite right with his own find