Why teens are more self-serving than adults in social situations
Peer-Reviewed Publication
Updates every hour. Last Updated: 31-Mar-2026 13:15 ET (31-Mar-2026 17:15 GMT/UTC)
New twin research shows that innate IQ plays a major role in predicting your future socio-economic status. The study, which follows twins during the crucial early adult years, reinforces the view that heredity and genes shape our life opportunities – and the people we become.