Long life

In the United States, life expectancy is 76 years for men and 81 for women.


But the following behaviors can help you live longer:


Let’s say that I offer to buy you the car of your dreams. You can pick out any car that you want, and when you get out of class this afternoon, that car will be waiting for you at home. There’s just one catch… It’s the only car you’re ever going to get in your entire life…You have only one mind and one body for the rest of your life. If you aren’t taking care of them when you’re 16 or 17, it’s like leaving that car out in hailstorms and letting rust eat away at it. If you don’t take care of your mind and body now, by the time you are 40 or 50 you’ll be like a car that can’t go anywhere.

-Warren Buffett


For example, Harvard researchers conducted a 34-year study with 123,000 participants. They found that 5 behaviors increased life expectancy to 88 for men and 93 for women:


Another 30-year Harvard study found that optimistic people lived 11–15% longer and were 50–70% more likely to reach age 85.


Start living longer today. Healthy diet, exercise, maintaining a healthy weight, and good sleep are part of the “Daily habits” section. The chapters on “Friendship”, “Dating”, “Marriage”, and “Social skills” will improve your relationships. Finally, find your purpose in life by following the chapter on “Happiness”.


Researchers have estimated that 90% of us could live to age 90 with some simple lifestyle choices. What’s more, we could live free of common diseases that make our final years miserable.

-Tom Rath


My number one priority in life, above my happiness, above my family, above my work, is my own health. It starts with my physical health. Second, it’s my mental health. Third, it’s my spiritual health. Then, it’s my family’s health. Then, it’s my family’s wellbeing. After that, I can go out and do whatever I need to do with the rest of the world.

-Naval Ravikant


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Lee LO et al. (2019). Optimism is associated with exceptional longevity in 2 epidemiologic cohorts of men and women. Proc Natl Acad Sci USA. 116(37): 18357–18362.


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Ruby JG et al. (2018). Estimates of the heritability of human longevity are substantially inflated due to assortative mating. Genetics. 210(3): 1109–1124.

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