The viral 50-40-10 theory claims 50% of our happiness comes from genetics, 40% from the choices we make and just 10% from our circumstances. But two mental health experts warn the reality is far more complicated – and reveal what you can do to boost your wellbeing.
From satisfying our curiosity to helping us understand danger, true crime can offer more than a grisly form of entertainment. Psychologists explain how it can boost empathy and even help us feel safer