Nigeria, June 18 -- When we think about health, we often focus on our heart, brain, or lungs, but our gut plays a surprisingly central role in our overall well-being.

The gut, also known as the gastrointestinal (GI) tract, is responsible for digesting food, absorbing nutrients, and eliminating waste.

But it's more than just a digestive organ. It's home to trillions of bacteria, fungi, and other microbes collectively known as the gut microbiome. These tiny organisms are critical in everything from immune defense to hormone regulation and mental health. When your gut is healthy, your body functions smoothly. But when things go wrong in your gut, the effects can show up all over your body, from your skin to your mood to your immune system....