“The single most important innovation of modern medicine and that has saved the most lives and extended life expectancy is sanitation and clean water! Not vaccines.”
I did realize that the water has been cleaner the past 20 years, each year. becoming cleaner than the previous year, as this is the only modernization of medicine. Per your claim. This would nicely explain how each year life expectancy has increased consistently.
Disease prevention and disease management have made light years of advancements unless you are able to explain how deaths from heart disease and other disease have declined over the years If you know where one can purchase water that increases life expectancy, let us all know.