An interesting review of human biology through the lens of the history of medicine and current understanding. Bryson individually addresses different systems, functions, and organs, going into detail about how they have been studied, how they have been viewed in/by western cultures, and what we currently know about how them (healthy/unhealthy function, how they affect our lives, and how we affect them). Some examples of the chapter topics: microbiome, brain, head, mouth and throat, heart and blood, skeleton, equilibrium, sleep, etc., …