You can enjoy more happy chemicals if you know what turns them on. In the state of nature, happy chemicals turn on to meet survival needs. Whatever met your needs in youth triggered happy chemicals and paved your neural pathways. You are wired to...
In this landmark book of popular science, Daniel E. Lieberman gives us a lucid and engaging account of how the human body evolved over millions of years. He illuminates the major transformations that contributed to key adaptations to the body: the...