heart. it does not hurt the heart muscle. it can cause an arrhythmia problem and if you didn t have it you have nothing to worry about if you stop it now. eric: important advice, thank you, doctor. have a cell phone? ever notice if you get a rash around your jaw or cheek or ears? they say you could be allergic to your cell phone. and, actually allergic to your cell phone? yes, some of nickel, and some women, particularly, are allergic to nickel, because they have had exposure with the earrings and things like that. i haven t seen it in my own practice. but it is reported that people can develop a rash around the ear and the jaw where they use the cell phone. now, if you are worried, when you buy a new cell phone, if you are worried that you are allergic to nickel and don t know how much there is on the cell phone, you can buy a nickel