A new development concerning Rob Kardashian's health has been revealed. E! News says that the 28-year-old, who has remained away from the spotlight for quite some time now, is back at home after being diagnosed with diabetes. Rob was rushed to a Los Angeles hospital after not feeling well over the holiday weekend. After performing various tests, doctors concluded that Rob is diabetic. A source tells E! News, "He's home already. He went for a little and is fine now. It was a wake up call," The source added doctors told him that he needs to lose weight, exercise and dramatically change his diet, or it will get worse.