We’re used to popping a probiotic capsule after a course of antibiotics or when we’re feeling bloated, hoping for quick relief. But have you ever wondered what exactly happens when billions of live bacteria enter your digestive tract? It’s not just “magic” or blindly populating an empty space. There’s a complex, multi-level interaction going on inside us at the cellular and molecular levels.

With the onset of cold weather or during periods of stress, we are used to "boosting our immunity" with vitamin C, ginger, or echinacea. However, modern science proves that our immunity does not live in lemons. The main control panel of the body's defenses is located in our intestines and mucous membranes.

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.

Bloating, heaviness after eating, irregular bowel movements, or constant abdominal discomfort — these problems are faced by almost every second person. The classic reaction of a modern person is to drink digestive enzymes or a pill for cramps and keep running.

We all know people who can eat cake all night and not gain weight, while others can gain weight just by looking at dessert. For decades, we’ve been told that the secret to weight loss is simple math: eat fewer calories than you burn.

The microbiota loves plant diversity, fermented foods, resistant starch, and polyphenols. Below is a selection of 10 foods that most often help you feel a difference within 2–4 weeks.

You are never alone. Even now, reading this text, you are in the company of trillions of small “roommates”. This is your microbiome. For a long time, we considered bacteria to be enemies, but modern science proves: they are our best friends, controlling almost all processes in the body: from immunity to the ability to enjoy life.

You’ve probably heard the phrase: “We are what we eat.” But modern science says it more precisely: we are also those who live in us. Until 2016, it was believed that there were many times more bacteria in our bodies than our own cells.

Today, the gut is called our “second brain” and a super organ, as it houses over 75% of the body’s immune cells. Our gastrointestinal tract is home to thousands of species of microorganisms that determine our eating habits, immune responses, weight, and even mood.

We are used to thinking that immunity is something abstract that circulates in our blood, and to "boost" it, it is enough to drink vitamin C or tea with lemon. However, modern science categorically states: the microbiome is our immunity.

Antibiotics are one of humanity's greatest discoveries, saving millions of lives. However, today they are often prescribed "just in case" at the slightest symptom of a cold.