Philadelphia – Near the end of the hit movie Avatar, the villain snarls at the hero: “How does it feel to betray your own race?” Both men are white – although the hero inhabits a blue-skinned, 2.75 metre-tall, long-tailed alien. Strange as it may seem for a film that pits greedy, immoral humans against noble denizens of a faraway moon, Avatar is being criticised by a small, but vocal group... 

James Cameron’s completely immersive spectacle “Avatar” may have been a little too real for some fans who say they have experienced depression and suicidal thoughts after seeing the film because they long to enjoy the beauty of the alien world Pandora. On the fan forum site “Avatar Forums,” a topic thread entitled “Ways to cope with the depression of the dream...