Type 2 diabetes mellitus (T2DM) is a growing global health problem that is closely related to the obesity epidemic. It is one of the most common non-communicable diseases in the world, characterized by disorders of carbohydrate, lipid and protein metabolism, and arises from impaired insulin secretion, cellular resistance to insulin or a combination of these factors.

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.