It has long been claimed that getting out in the sun does wonders, and it appears there’s some truth to the idea… In one of the largest studies of its kind, British researchers found themselves with a huge database on light exposure and health outcomes. They were using wrist-based activity trackers on 103,720 people and later realised the trackers had light sensors. That led them to find a strong association between those who had more artificial light exposure at night and self-reported mental health issues, but those who got outside were less likely to suffer from those issues. Experts reckon it has something to do with light’s effect on our body clock. It’s a great excuse to get some rays – after the sunscreen’s on, of course…