Our bodies are made up of more bacteria than cells by a factor of 10 to 1. Bacteria, especially those that make up our gut are important to our overall health. Gut health is closely tied to our immune system and your nervous system, as a result poor gut health can lead to Gastrointestinal issues, depression, and allergies to name a few. overusing antibiotics can stress your gut because antibiotics kill both good and bad bacteria in your system. How can you avoid antibiotics in food?