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.
Comcast Customer Service. Comcast customer service. Get in touch with Comcast's customer service department through the following phone numbers, social media, live chat and contact form. For more information about billing, moving home, business accounts, deals, packages and corporate offices, please call the numbers listed below. 1 800-934-6489.