Download or read book Testosterone written by Joe Herbert and published by Oxford University Press, USA. This book was released on 2015 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Testosterone lies at the heart of maleness, and is involved in aggression, competitiveness, and risk-taking -- all essential in our evolution. Joe Herbert describes the fascinating insights revealed by modern research into this primeval power that shaped our history and lurks below the veneer of our civilized modern world.