Correlation between human gut microbiome and diseases

Highlights • Normal composition of gut microbiota, its diversity in number and type in different parts of the gut. Factors that play vital role in the development of gut microbiome.• Role of gut microbiota in human body, which also explains that deviation in the composition can lead to different disorders.• Deviation or dysbiosis with respect to different life threatening diseases like cancer, cardiovascular disease, bowel inflammatory disease and difficult-to-treat bacterial infections is explained.• Future of the gut microbiota study and its role in treating diseases are discussed.