My son asked me to list a bunch of common myths for him. Can you help me?

You only use 10% of your brain. (That one drives me nuts!)

The 10 second is a myth.

There is no tooth fairy!

That it’s impossible for the average person to lick their elbow.

My friend can do it! She is the only one that I know who can though. It’s crazy!

If you drop a penny from the Empire State Building, and it hits someone, they will die.

You swallow at least 8 spiders a year while sleeping. So False!

UCK! Eambos, I’d never heard that one, but now I am physically ill. (Makes a face of disgust.)

I Lied about it being false ;P

E! You’re making me sicker every second. So it’s… true? =\ (Whimper.)

I can too lick my elbow!!!!!!

Step on a crack, break your mamma’s back.

Frogs and warts

That if you heat mayo it turns toxic.

It smells toxic…

It’s a common misconception that lemmings commit mass suicide from voluntarily going over a cliff.
Also, that you can never end an English sentence in a preposition. I know that’s not what you are looking for but at least the first one can be tested (that is if you are able to get a hold of a few lemmings).

Green M&Ms make your horny.

That’s no myth.

It take seven years to digest gum. It might take Adam and Jamie a while to prove or disprove, but it would make for some riveting television. Turning a light switch on and off will a) start a fire or b) waste electricity.

I bet you can find great ideas on Snopes.com

That an adjustable rate mortgage is ever a good idea.

that a man can light a match using his face

He can with strike-anywhere matches.

That if you talk to your plants they will grow faster and stay healthy.