Lessons from the 75 year long Harvard Study of Adult Development has tracked the lives of 724 men over 75 years, discovers its not fame and fortune that makes us happy, but relationships. What is more, good, close relationships are good for our health and mental well-being. So something to ponder when considering education reform and education policy.

The Harvard Study of Adult Development, is probably the longest running study, and it now includes women.

References: