Height has been used in a growing literature as a measure of net nutrition throughout the first 20 years of life. This … paper builds on that literature by considering the influence that net nutrition has on a population’s labor productivity … nutrition in people’s first 20 years has had a significant and positive effect on labor productivity over the twentieth century …

members of three companies. Aside from gathering baseline data on products used, health conditions addressed by these products … product distributor, factors such as control over one's health, creation of a support community through shared efforts, and … inform network marketers' beliefs and desires for autonomy in the spheres of finance, personal life, and health. …