When we feel fear or anxiety, we often get a “sucking feeling” or “butterflies in our stomach.” From an evolutionary perspective, our brains never existed without signals coming from the gut. However, in today’s world, chronic stress has become the main enemy of our digestive system. З еволюційної точки зору наш мозок ніколи не існував без сигналів, які надходять із кишківника. Проте в сучасному світі хронічний стрес став головним ворогом нашої травної системи.

If you consider yourself 100% human, science is ready to argue with you. The number of human cells in our body is about 30 trillion, while the number of bacterial cells is about 38 trillion. That is, the ratio is about 50:50. In our gastrointestinal tract alone, about 2 kilograms of bacteria, viruses, fungi and protozoa live.