Daniel Kelly has created an impressive work with his book Optimized Under 35.Kelly opens up with a discussion on the state of modern society and how pursuits like video games and pornography have led to a decline in both masculinity and testosterone, creating a low-testosterone reality.Optimized Under 35 is a well-researched and easily readable book, backed up by tons of citations. Kelly explains the symptoms of low testosterone, the results and benefits of testosterone therapy in a clear, concise manner. He explains everything from start to finish, from taking/interpreting blood tests, optimizing lifestyle, fitness, diet and even sleep. The book even contains interviews with some well-known personalities within the world of testosterone, including a fantastic discussion with the late Dr. John Cristler.Make no mistake, this book isn’t simply for the under 35 crowd. Every man can benefit from Kelly’s knowledge contained within Optimized Under 35. Do yourself a favor and pick up a copy, you’ll be glad you did.