In 1938, a Harvard professor began tracking 724 men.
— Zyan (@ZyanBizBoost) May 20, 2025
Half from Harvard.
Half from Boston’s poorest neighborhoods.
For more than 75 years, he watched these men live, age, and die.
Here’s what the longest-ever conducted study teaches us about success and happiness: pic.twitter.com/zg3bA51s6e
Profound baby boomer truths
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