As the quantified self movement grows, a number of companies are looking to smartphone apps to deliver data-driven insights to create a more productive workforce. Siraj Datoo reports
Our expert, GP Clare Gerada, chooses the smartphone apps that she rates most highly – from monitoring your drinking to helping you sleep, and graphing your moods
Valkee's bright light headset says it can help winter blues (SAD) and rid travellers of jet lag by blasting light into their ears. This traveller was hopeful, but arrival didn't bring results. By Samuel Gibbs