For over 75 years, Harvard’s Grant and Glueck study has tracked the physical and emotional health of two groups: 456 poor people in Boston from 1939 to 2014 (the Grant Study) and 268 graduates from Harvard’s classes of 1939–1944 (the Glueck study). After following these groups and testing them (e.g., blood samples, brain scans) for several decades, the findings have been compiled.
This 75-Year Harvard study shows how to have lifetime joy
More of Today's Solutions
Europe removed a record 602 river barriers last year
BY THE OPTIMIST DAILY EDITORIAL TEAM A dam fell in Iceland last December, the first the country has ever deliberately dismantled. The structure on ...
Read MoreThis ultrasonic espresso method uses 75 percent less energy and tastes just a...
BY THE OPTIMIST DAILY EDITORIAL TEAM So many of us participate in the same morning coffee ritual: the machine warming up, the pressure building, ...
Read MoreMexico’s tequila fish brought back from the brink of extinction
Mexico’s tiny tequila splitfin fish was once a common inhabitant in the country’s Teuchitlán river in the western part of the country. But due ...
Read MoreHow Bogotá is tackling air pollution by greening its poorest neighborhoods
BY THE OPTIMIST DAILY EDITORIAL TEAM In Bogotá, Colombia’s bustling capital, the battle against air pollution isn’t just about cleaner skies. It’s about equity. ...
Read More
