No traces of cobalt or nickel were found on the Apple iPhone or on Android models. On the other hand, those using once popular flip phone models could have some problems with allergies. 91% of those phones contain nickel and 52% of them tested positive for cobalt.
switch to an Apple iPhone or Android handset to reduce the chance of having a reaction. The Doctor adds, "Blackberry users with known allergies should avoid prolonged conversations, text messaging and handling their phones if they begin noticing symptoms." These symptoms include redness, swelling, itching, eczema, blistering, skin lesions and occasional scarring.
If you are allergic to nickel or cobalt, which are used in coins, jewelery and makeup, and need to have a BlackBerry phone, the ACAII suggests that you use a plastic case, Bluetooth and a clear film for the screen. For RIM, this is just another piece of bad news that could possibly affect the slumping Canadian handset manufacturer. There is the possibility that the new BlackBerry 10 models to be launched early next year, won't contain nickel.
source: Eurekalert via Gizmodo