1. What Actually Is The Gut?
Gut stands for gastrointestinal tract, and it's a long tube that starts in your mouth and ends where the sun don't shine — basically the pathway food takes as it passes through your body. While we could thoroughly break down this whole process, the important thing to know is that your gut is responsible to breaking down food, absorbing of nutrients, and eliminating waste. The gut is also a key player in the health of your immune system.

The gut contains trillions (yes, trillions) of bacteria which are key to the processes and tasks described above. There are both good and bad kinds of bacteria, and you'll learn what that all means next.