The gut and the brain are connected bio-chemically and physically, with the vagus nerve being one of biggest nerves making this connection. There are more than 100 million nerve cells lining the gastrointestinal tract.
Serotonin is produced both in the brain and in the gut, which contributes to feelings of happiness and regulates sleep and alertness. There is a strong link between anxiety, depression and digestion problems.
Gut microbes play a big part in your immune system, with links to inflammation. Changing your gut bacteria may improve your health. Eating a varied diet is the best way to have a multitude of good gut bacteria fighting your cause for good health. Other ways to improve your gut health is with pre-biotic’s and pro-biotic’s, fermented foods, foods high in fibre, omega-3 foods and polyphenol rich foods such as green tea and plant foods.