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.
Switching to a New Name after a Name Change. 1  Go to the local Comcast office and request a Name Change Form. Alternatively, you can call 1-800-XFINITY (1-800-934-6489) and request that the form be mailed to you. 2  Fill the form out completely and sign it. 3  Return the completed form to a representative at the local office.