Has a stranger told you to smile lately? Or that you'd be "so much prettier" if you slapped a grin on your face? The fact that many men feel entitled to regulate women's smiles is not news — but the ...

A note to single dudes: If you're looking to pick up a woman at a bar, whatever you do -- don't smile at her. Women are actually less sexually attracted to smiley, happy men, suggests a new University ...