Thanks in large part to improved prenatal care and vaccinations, the life expectancy of Americans jumped from 47.3 in 1900 to 78.1 in 2009. But age related diseases such as Alzheimer's, Type 2 diabetes, and cardiovascular disease are growing at a rapid rate. So how long can you sustain that youthful vigor? Well about 25% of that depends on your DNA and 75% on how you manage your life. This section gets you up to date on your best bet for developing healthy longevity.
Blueprint to 100
Researchers can now predict with 77% accuracy who can live to 100 or higher based on genetics.
Life expectancy
If you're 25 today you might have what it takes to live to 100.
Reaching 100 with lots to do
Louis Charpentier celebrates his 100th birthday and still spends hours each day hard at work.