Multimedia How can luck not exist? Share this:EmailFacebookTwitterPrint By David Gillette | 09/20/2013 Scientific theories aside, what if the belief in luck does something tangible to one’s brain? Share this:EmailFacebookTwitterPrint Comments (1) Submitted by Todd Hintz on 09/23/2013 - 07:06 am. Luck So what if the perception of luck does indeed do something tangible to the brain? That’s what we would call a placebo. Log in to Reply Leave a Reply Cancel replyYou must be logged in to post a comment.