The human body is a complex ecosystem composed of trillions of microorganisms, including bacteria, viruses, and fungi. The collection of microorganisms living in and on the human body is known as the microbiome. Recent research has shown that the microbiome is vital in maintaining physical and mental health. This article will explore the importance of microbiome diversity for mental health. What is the Microbiome? The microbiome is a collection of microorganisms that inhabit the human body, particularly the gut. The gut microbiome is the largest and most complex microbial ecosystem in the bo