Do you know that In the Year: 1776: Average life expectancy in United States was 35 years old. 1997: Average life expectancy in United States was 77 years old. 1900: Percentage of US population who lived to the age of 65 was 25%. 2000: Percentage of US population who live to the age of 65 today is 80%. 1996: Number of centenarians in the US was 70,000. 2010: Number of projected centenarians in the US, 160,000. 2020: Projected average active lifespan is 100. 2020: Projected global ratio of elderly per newborn is 15: 1 2020: Projected global increase of over 65 population is 87% Number one cause of death in the US: Cardiovascular disease Number one cause of premature death: Cigarette smoking Percentage of Americans who will die of cancer is 33%. Deaths from cancer per minute is1 person. Projected average life expectancy if cancer and heart disease were eliminated: 99 years old. Statistics adopted from the American Academy of Antiaging Medicine (A4M)