By Christine Hsu | Oct 08, 2012 05:42 PM EDT
Checking a Facebook or Twitter account may be more tempting than sex and cigarettes.
By Makini Brice | Sep 13, 2012 12:32 PM EDT
The study quotes psychoanalyst Sigmund Freud: "A man, who will kiss a pretty girl’s mouth passionately, may perhaps be disgusted by the idea of using her tooth-brush."
