Disgust your friends with The 100 Grossest Facts Ever. Did you know that the first US president had dentures made from hippo teeth? Or that a tapeworm can grow 8 meters long inside you and live for 10 years? Wow your friends with the 100 Grossest Facts! Covering topics from science, biology, history, the arts, technology and general knowledge, this book is packed with funny, disgusting and interesting facts.