'This book guides readers through the most pressing puzzles of our time, developing their conceptual toolkit without being didactic. Razor-sharp and fun to read, A Hunter Gatherer’s Guide to the 21st Century secures Weinstein and Heying’s reputation as heroes who stand up not only for academic freedom, but also moral principles' - Jonathan Haidt, author of The Righteous Mind'I have never read such a bold, well-researched, and succinct exploration of the puzzling predicament we find ourselves in. Anyone who wonders why the most comfortable society in history - our own - has such astronomical rates of depression, anxiety and poor health will find abundant answers in A Hunter-Gatherer’s Guide to the 21st Century' - Sebastian Junger, author of The Perfect Storm and Tribe‘A Hunter-Gatherer’s Guide to the 21st Century has given me at least five evolutionary concepts that have become central to my way of viewing the world’ - Jamie Wheal, executive director of the Flow Genome Project and co-author of Stealing Fire'Bret and Heather are highly regarded evolutionary biologists, very clear thinkers and communicators' - Robert Sapolsky, author of Behave