Why Do We Knock on Wood for Good Luck?

If you don't, you may jinx it. But why do we do it? Here are 7 superstitions and their origins.

Someone forward you this email? No Sweat! Sign up here to get your own If you're having trouble viewing this email, click here Follow Us What I Learned About Today Why Do We Knock on Wood for Good Luck? If you don't, you may jinx it. But why do we do it? Here are 7 superstitions and their origins. READ NOW Trending Now Do Figs Contain Dead Wasps?   You Can Get Paid to Create a Fake Facebook   Advertisement What I Learned About Today  |  Follow Us You are receiving this newsletter because you subscribed to the What I Learned About Today newsletter. If you wish to unsubscribe, please click here 1500 Broadway, 6th Floor, New York, NY, 10036 © 2016 About.com - All rights reserved. Privacy Policy.