CLEANLINESS IS BAD. Most of the cells in your body are not yours. Given half a chance your body will try to kill you. A terminal cancer patient rises from the grave. A medical marvel defies HIV. Two women with autoimmunity discover their own bodies have turned against them. In An Elegant Defense: The Extraordinary New Science of the Immune System: A Tale in Four Lives, New York Times writer Matt Richtel uniquely entwines these intimate stories with science’s centuries-long quest to unlock the mysteries of sickness and health, and illuminates the immune system as never before. The immune […]