Will textbooks in the latter part of this century talk about the decreased lifespan over the 1990's-2020's due to overweight and obese indivuals? For centuries the lifespan of individuals has been on a steady rise, with medical advancements along with advancements in health and diet, and access to information. Will the obesity epidemic that plagues us now be worthy of documentation and if so, is it causation enough to explain a lowering in life expectancy?