Optimism is more necessary than ever, and understanding how other cultures approach life’s trials and joys may help us achieve contentment, says Helen Russell
It has become a hugely popular concept in positive psychology and self-help, but is feeling grateful really a panacea? One writer sets aside her scepticism and opens up her gratitude journal
We check our phones every 12 minutes, often just after waking up. Always-on behaviour is harmful to long-term mental health, and we need to learn to the hit the pause button