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.
Phone Contact Numbers. The main phone number for Comcast is listed on the official website, but there is also an area where you can enter your address to find a local phone number. Main Customer Service: 1-800-266-2278.