Critics of this update cite the modest body of research into the validity of DMDD as a viable diagnostic entity, as well as the worry that such a diagnosis could increase the number of children diagnosed with mental illness and subsequent exposure to psychotropic medications with potential long-term side effects.
From the Help link: Cancellations must be processed through a Comcast representative and cannot be initiated online. Please contact a Comcast representative at 1-800-XFINITY ( 1-800-934-6489 ) to cancel your service.
Remember that Comcast customer service representative who just wouldn't let Ryan Block cancel his service? That employee was in Comcast's retention department, which is a customer's last stop on their way out. Retention specialists are trained to persuade a customer to stay, or at least not cancel all their lines of service.