10 Weird and Wonderful Facts About Your Digestive System

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  1.  If you were to spread your digestive system out flat it would cover an entire tennis court.
  2. Your digestive system contains over a million neurons. This is more than your spinal cord.
  3. You have more bacterial cells in your digestive system then you have human cells in your entire body.
  4. 80% of your immune system is found in your gut. 
  5. 90% of your body's serotonin (the Happy Hormone) is made in your gut. 
  6. Your brain and digestive system are joined by the vagus nerve. If you cut this nerve the digestive system would still be able to function on its own. Making it the only organ system able to perform independently of the brain.
  7. The vagus nerve transports 90% of it’s messages from the gut to the brain, and only 10% back the other way.
  8. Overeating causes your stomach to swell and push against other organs, this is what makes you feel sick.  
  9. The microbiome of your gut influences your absorption of food, your weight, mood and immune system.
  10. There is evidence to suggest that our microbiome influences eating behaviours and cravings.


I hope these facts help put into perspective just how important our gut is!  

Things that affect your gut health include eating processed foods, allergies, intolerances, stress, alcohol and antibiotics. 

If you’re interested in finding out more about gut health you can download my Ultimate Guide to a Happy Gut for free!


Lexy x