Peak Human? Thoughts on the Evolution of the Enhancement of Human Performance

While societies expect cars and computers to continue to improve, what about humans themselves? Is our species near peak human? We provide a 4-part framework for considering performance: cognitive achievement such as IQ, physical achievement such as Olympic records, lifetime performance such as height and life expectancy, and immune system education such as resistance to disease. After several centuries of rapid and pervasive enhancement, trends suggest that human performance enhancements may be hard won during the coming decades.