Did you know that your stomach has to constantly replace its lining to protect itself from its own digestive acids?

The human body is full of things that are strange, unexpected, and sometimes difficult to believe. Some of them are fascinating. Others are downright unsettling. And many are things most people never learn about in school.

100 Strange Medical Facts explores some of the most unusual facts from human anatomy, medicine, biology, and medical history. It is a collection of short, interesting facts that reveal just how complicated—and sometimes bizarre—the human body can be.

Inside, you'll find facts about:

Bizarre medical conditions and unusual changes that can happen to the human body.

Strange moments from medical history, including treatments and ideas that seem unbelievable today.

Unexpected things your brain, nerves, organs, and immune system are capable of doing.

The microscopic organisms that live on and inside your body.

Unusual biological processes that happen every day without you even noticing.

This book is written for anyone who enjoys learning strange facts about the human body. You don't need a medical background to understand it, and you don't have to read it from beginning to end. Pick a fact, read for a few minutes, and move on to the next.

Whether you're interested in medicine, science, anatomy, or simply enjoy collecting unusual facts, you'll probably find more than a few things here that make you stop and think, "I had no idea the human body could do that."

Sometimes, the strangest facts are the most interesting ones.