20. Hydrogen Peroxide helps wounds heal
Well this can be a painful myth, quite literally. Heck, even your pediatrician might recommend it if they’re not up to date on their research. The truth, however, is that it doesn’t help your wound at all. That bubbling you see? Its probably the hydrogen peroxide attacking you. Not only that, it causes cellular damage and extends the healing process. But hey, placebos work right?
Contrary to what you may have heard at your local dietary supplement retail outlet, sharks do get cancer. There is nothing special about their cells and researchers have been studying cancerous tumors on sharks for years. So, next time you’re about to buy those cartilage pills, call the bluff.
No it won’t. It’s true that it doesn’t digest but that doesn’t mean it lingers in your stomach forever. It will come out with everything else, probably looking a lot like it did when it first went down.
Pennies only weigh about a gram and they tumble as they fall so the air resistance is significant. If it reaches its terminal velocity it would be falling at about 100 miles/hour. So when it finally hit you on the head with about 1 foot-pound of energy it would hurt a little but you would quickly forget about it.
Read more: http://list25.com/25-popular-myths-debunked/