Hemp already has a good reputation for use in medicine. As a member of the same species as the marijuana plant, Cannabis sativa, hemp contains cannabidiol—a compound more commonly known as CBD. By activating certain receptors in the brain that help regulate the nervous system, CBD is often used to treat anxiety, insomnia, and inflammation. Studies also suggest it can help with epilepsy, chronic pain, and addiction. (Subscriber exclusive: Science seeks to unlock marijuana's secrets.)

In recent years, however, the plant’s uses have expanded beyond the medical realm. Hemp is now being used to build race cars, brew more sustainable beer, and add a protein boost to any meal. Here’s a