We asked the BuzzFeed Community to tell us the wildest, most uncomfortable facts they know. Here are the ones you'll probably wish you didn't read.
1. A typical jar of peanut butter contains 10 or more rodent hairs, averaging one or more rodent hairs per 100 grams.
2. The average person walks by almost 16 murderers in their lifetime.
3. Phill Lewis, aka Mr. Moseby from the Disney Channel, was arrested for manslaughter and driving while intoxicated in 1991.
4. As recently as the 1980s, many researchers and doctors believed that babies couldn't feel pain, so some were operated on without any anesthesia.
5. Dr. Seuss cheated on his wife, Helen Palmer, who was sick with cancer. She then killed herself by overdosing on barbiturates.
6. Big Bird almost joined NASA's Challenger mission "to encourage kids to get interested in space." Had the plan been followed through, millions of kids would have watched Big Bird and the spacecraft explode live on TV.
7. You're more likely to be killed by a cow than by a shark.
8. There are colors that humans can't see, and you can't even try to imagine what they look like.
9. Beetles are crushed up to produce a dye that makes all of your favorite candies red.
10. At this exact moment in time, you're currently the oldest you have ever been and the youngest you will ever be.
11. In The Wizard of Oz, the "snowstorm" that took place was actually asbestos.
12. A corpse can bloat and swell up to almost double in size within a few days of dying, due to a buildup of gases in the body during decomposition.
14. During the Old Hollywood days, if a child actor ever misbehaved on set they were occasionally sent to "the black box" and were forced to sit on a block of ice as punishment.
15. There are things called eyelash mites that live on people's faces, and you probably have them.
16. Male echidnas have four-headed penises.
17. You're 6.7% more likely to die on your birthday than any other day of the year.
18. The Japanese giant hornet has venom that's so powerful, it can dissolve human tissue.
19. The Michael Myers face mask in Halloween is just a Captain Kirk/William Shatner face mask that's painted white.
20. Writer-director Eli Roth came up with the premise for the movie Hostel after discovering a Thai website where people can actually pay to torture and kill other humans.
21. In 1978, in the midst of his murder spree, serial killer Rodney Alcala won an episode of The Dating Game. The woman who picked him refused to go on the date because he seemed "creepy."
22. The corpses in the pool scene in Poltergeist were actually real dead bodies, and JoBeth Williams, who starred in the scene, wasn't told until after filming ended.
23. Judith Barsi, who played Ducky in The Land Before Time and Anne-Marie in All Dogs Go to Heaven, was shot and killed by her abusive father when she was 10.
24. People jerk themselves awake while sleeping because their body thinks they're dead – it's their brain's way of making sure they're still alive, since their heart rate is so slow.
25. In the Victorian Era, it was common to take pictures with the bodies of a deceased family member, as a final way to preserve their memory.
26. And Bryan Cranston was once a suspect in a giant murder investigation.
