13. Never wake a sleepwalker



If you wake a sleepwalker up, they might be confused, and that's about it. A sleepwalker is more likely to hurt themselves during an episode.

14. Bats are blind



No, they're not. They can see pretty well, and also use echolocation.

15. Bulls hate the color red



Bulls are colorblind. It is actually the movement of the cloth that makes them feel threatened. (The red color is for the human spectators)

16. MSG (Monosodium Glutamate) causes headaches



While a small percentage of people may suffer short-term symptoms after consuming MSG, there is no proof that it causes any symptoms in the greater majority of the population.

17. Chastity belts were meant to save women's virginity



Never happened. They were actually invented to prevent masturbation

18. Sugar causes hyperactivity



Research has disproven that and has shown that ADHD and hyper behavior occurs also with children on a sugar-free diet.