Christopher Ryan is a bestselling author with a background in psychology. After completing his PhD at Saybrook University, he reached international acclaim with his first book, Sex at Dawn, co-authored with Cacilda Jethá. More recently he authored the book Civilised to Death, which levels a damning critique at modern civilization. He also contributes to Psychology Today and is the host of the podcast Tangentially Speaking with Dr. Christopher Ryan. Today we talk about the idea that, rather than being the huge positive that we’re told it is, civilization actually stacks up poorly when compared to hunter-gatherer lifestyles.