What you know is wrong: it actually takes fewer muscles to frown than to smile.
It takes 12 muscles to smile and 11 muscles to frown. Source: The Straight Dope.
Newest 2 Comments
What constitutes a frown or a smile? Are they talking genuine facial expressions with the eyes and forehead and everything involved? Because if that's the case, I would still think it takes more muscles to frown.
Abusive comment hidden.
(Show it anyway.)
...but only 4 muscles to b*tchslap the guy who made your day crap
Abusive comment hidden.
(Show it anyway.)