Harvard Happiness Study Turns 88, Finds Relationships as Key Predictor of Well-Being

A landmark Harvard Study of Adult Development, ongoing since 1938, shows that long-lasting, high-quality relationships predict happier, healthier aging far more than wealth or genetics; loneliness is a significant risk to well-being, while strong connections in midlife correlate with better health and longevity, and researchers plan to continue the study into its ninth decade.