"Combining clinical experience with current science, one of today’s leading experts, for the first time, reveals the link between alterations to the gut microbiome and the development of chronic illnesses and susceptibility to infectious diseases like COVID-19."

Introduction -- America's silent public health crisis -- A deeper connection -- The emerging view of a healthy gut microbiome -- Stress and brain disorders -- How diet regulates the brain-gut-microbiome network -- A broader connection : how exercise and sleep affect our microbiome -- Restoring the gut microbiome -- The key to gut health is in the soil -- The one-health concept -- A new paradigm for healthy eating.