We're On It. One customer service rep who worked for Comcast from 2005 to 2014 at a Tennessee call center says the Make It Right cards didn't necessarily lead to faster resolution, however. A search of the Comcast support forums shows this is true at least some of the time.
What causes a metallic smell? Quick Answer. Reactions between chemical compounds on the skin and metals such as iron and copper can generate a metallic smell, explains Nature. A copper imbalance in the body, which triggers excessive yeast growth, can also cause a metallic odor, notes Dr. Lawrence Wilson.
It's also fairly common to crave certain foods, or go off certain foods, and have a heightened sense of smell. Learn more about the signs and symptoms of pregnancy. A cold, sinus infection, runny nose from allergies (allergic rhinitis) or nasal polyps can all cause a metallic taste in the mouth.