Researchers at the Harvard Study of Adult Development have had happiness under the microscope since 1938. Unlike most studies, which tend to be short lived, this one has followed participants over decades and generations to understand why people thrive.
The Results Are In
So what can we learn from the longest-running scientific examination of happiness? Our relationships are the key to a healthy mind and body. This doesn’t just include close ties, by the way (though of course those are important). But your colleagues, casual friends, and even contacts on social media can also make your life better—or worse.