Aging is a complex programmed process which is hastened or delayed by external factors including our lifestyle and the level of pollution. The human genetic program evolved over a million years ago and has remained relatively constant till date. However, our lifestyles and the environment have undergone massive changes in the last 100 years. Most of the changes are not in harmony with the natural programs that drive almost every aspect of our health and lifespan. In this article and many others on this site, you will see that living in harmony with nature’s design is the best way to prolong youth or increase healthy lifespan.