About the book: 2021 / Medicine was not always what we know it now. Once upon a time she used strange, not always effective and simply scary methods, and doctors had very specific ideas about how the body works. Many experiments were carried out before medicine took on its modern form, and this book will tell you about the most bizarre medical practices and procedures. What unusual use did the ancient Egyptians find for crocodile excrement? When was plastic surgery invented? Is it true that the ancient Incas were the first to perform blood transfusions? You will find out what the public was so afraid of after the discovery of X-rays, who patient zero is, and why doctors in old photographs often hold a flask in their hands. Not only are stories from the past waiting for you in this book, it also contains questions that you yourself have probably thought about at least once: for example, how long does it take to digest chewing gum, what percentage of the brain do we use, and does the full moon affect our mood? people.