Lewis HowesYour Personal 24/7 Greatness Coach

The Key to HAPPINESS & Living LONGER...

8 Mar 2024 · 1 min

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The speaker discusses the Harvard Adult Happiness Study, the longest-running longitudinal research project that began over a century ago by tracking Harvard students and Boston tenement residents and their descendants. The study examined various life factors—career, diet, etc.—but identified a single dominant predictor of happiness, extended lifespan, and financial success: the number of meaningful social connections a person has around age 45. Having roughly twice as many engaged, supportive relationships at that age is associated with up to 20 additional years of life and greater economic prosperity. The speaker emphasizes that the effect is not magical to the age itself but reflects the critical midlife window where social networks have a profound impact on long-term well‑being.

Chapters

So there was this study that was done called, they now call it the Harvard Adult Happiness Study. Yes. You're probably familiar with that. Longest longitudinal study that's ever been done. And it started over 100 years ago and they started following all these people, originally just students at Harvard, but then people who lived in tenements in Boston and as everyone got married and had kids, they started following them. And they studied all this stuff, you know, what careers people have, what they eat. And they found ultimately there was only one overwhelming thing that determined whether people were happy and whether they lived long a long time, longer than average, how many connections they had to other people, particularly when they're 45. So it's not there's nothing magical about 45 except that they would look at people at 45 and they found if you had twice as many friends, like people that you're actually engaged in a relationship with, like meaningful relationships. A meaningful relationship, right? If you have twice as many of those people in your life on average, you will live up to 20 years long. Wow. And by the way, you'll end up being more financially successful.