80년간의 자료로 연구한 결과 책으로 발간 'Longevity Project'

The Longevity Project: Surprising Discoveries for Health and Long Life from the Landmark Eight-Decade Study [Hardcover]
Howard S. Friedman and Leslie R. Martin Co-author

The Secret to living a long life?

Study reveals Top 5 Myths

#1. Married People Live Longer.
#2. You'll work Yourself to Death.
#3. You'll worry Yourself sick.
#4. Look on the Bright side.
#5. Exercise early in life leads to Longevity.

80 YRS of research reveals who lives longest