By Dr. Mark Liponis
In the United States, life expectancy was about 48 years for women and 46 years for men born in 1900. Just 50 years later, it climbed to 71 for women and 66 for men. And recent numbers put life expectancy at roughly 80 for women and 75 for men.
Most experts agree that increases in lifespan are due to better nutrition, health care, and disease prevention and treatment. Here are some things you can do to stay young.