Cutter Wood

"To live, our bodies must continuously shed materials. Stop urinating, stop defecating, stop expelling breath, and death is near. While we often think of these materials as embarrassing waste products, they serve far more complex functions. The color of our mucus, the volume of our flatus, the rhythm of our breath: taken together, these materials tell a story of the human that produced them. Moreover, the exchange, elimination, and frequent disguise...