If you're a US soldier in Afghanistan, and you limit yourself to 3-4 hours a day : The soldiers’ coping behaviors included a range of activities, like reading, listening to music, using Facebook and working out. But what proved to be the single most protective activity — the habit that best bolstered the soldiers’ mental resilience — was spending three to four hours a day playing videogames. A regular daily gaming habit corresponded with the overall lowest levels of post-traumatic stress disorder, depression, suicide attempts or domestic violence. And yet — and here’s where we see too much of a good thing — for soldiers playing more than 28 hours a week, there was a steep decrease in the protective benefits of gaming. Indeed, 40 hours a week or more was predictive of significant psychological distress. This is some good news, after hearing about this depressing finding : Recreational sitting, as reflected by television/screen viewing time, is related to raised m...