Since the dawn of humanity, exercise has been a part of our existence, consciously or unconsciously. The primordial beings ran, climbed trees, and threw weapons to survive and provide food, clothing, and other necessities for themselves and their families. As they continue to hunt daily, they unconsciously build and maintain their cardiovascular system as they travel further to survive. Around 400 BC Hippocrates mentions physical exercise in great detail. If we could give each individual the right amount of nutrition and exercise, not too little and not too much, we would have found the most effective way to maintain good health. Today we live in an age of great ideas and new thoughts as people seriously begin to study the importance and relevance of exercise. Dr. Kenneth Cooper of the Cooper Wellness Institute coined the word “aerobic” which means living with air. Dr. Cooper added an “s” to the end of the verb and a phenomenon was born. There are 41 types of aerobic exercises as we know them today, from walking to climbing stairs, from swimming to cycling [1]. Society today continues to live longer. In 2009, the average human life span of both sexes from birth in the United States is 78.5 years, up from 78.1 years in 2008 [2]. This is due to society as a whole making better nutritional choices, eliminating toxins introduced into their bodies, and establishing and maintaining an exercise program. As a result, today's society lives longer and healthier lives. The Scintilla Fly quote that says "more is better and too much is never enough" may work in terms of business and education, but how much is too much as far as from an endurance exercise discipline to a u... in the middle of article .......Works Cited1. Cooper Wellness Institute2. Surgeon General of the United States, Centers for Disease Control and Prevention.3. Heather Fink, Lisa A. Burgoon, Alan E. Mikesky, Practical Applications in Sports Nutrition, Chapter 124. FIT AND WELL 8th Edition By: Thomas D. Fahey, Paul M. Insel, Walton T. Roth5. Knez WL, Coombes JS and Jenkins DG. Ultra-endurance exercise and oxidative damage: implications for cardiovascular health. Med Sports. 36:429-441, 20066. Gleeson M, Nieman DC, and Pedersen BK. Exercise, nutrition and immune function. J Sport Sci. 22:115-125, 20047. Symptomatic hyponatremia during prolonged exercise in heat. Armstrong LE. Curtis WC. Hubbard RW. Francesconi RP.Moore R. Askew EW.Source: Medicine and science in sport and physical exercise. 25(5):543-9, 1993 May 8. Rehrer NJ. Fluid and electrolyte balance in ultra-endurance sports. Med Sports. 31:701-715, 2001