Believe it or not, a new study has found that knocking on wood actually works ... well, kind of.

I was reading a story on the Daily Express that if you knocked on wood or threw salt over your shoulder to avoid bad luck, it really worked. But probably not the way you think!

What they're saying about these superstitions is, if you genuinely knock on wood, it makes you truly believe something bad is less likely to happen -- it makes you more alert and less likely to take risks.

So while these habits don't make you invincible they make you think and feel like you are and you worry less about bad things happening!

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