Humans Can't Not Smile
It's difficult for humans not to smile when they see someone else smiling, and that's because of "mirror neurons".
Why We Can't Not Smile - Epic Science #66
from Stuff to Blow Your Mind
Key Facts In This Video
Because of "mirror neurons" and social norms, humans tend to smile when we see others doing it. (0:12)
One study found those who smile more often appeared more competent in the eyes of their peers. (1:52)
Smiling can reduce blood pressure, release endorphins and can create an overall improved mood. (2:06)