Based on the results of research released allergy physician association in the United States, a number of BlackBerry phones are known to contain nickel and cobalt that can cause itchy skin.

With 77 million users worldwide, is considered one of the BlackBerry mobile phones are quite popular. It
is also what makes the American College of Allergy, Asthma and Immunology (ACAAI) conducted research related to the material used mobile phone.

From the results of this research proved that, most BlackBerry containing nickel and cobalt that can cause effects such as allergies, itching or dryness in the skin around the cheek bones, jaw and ear.

"Patients who are allergic to nickel and cobalt are advised to use an Android or iPhone," allergy specialist advice Luz Fonacier, who led the research, was quoted as saying bhenet of TGDaily, Saturday (11/10/2012).

Fonacier did not specifically mention the BlackBerry series containing such materials, however dihasil written research that 91% of BlackBerry flip series proved to contain cobalt, while the other contained 52% nickel.

Fortunately not many users who are allergic to the second object, based on data from the Association of Physicians of Allergy, Asthma and Immunology USA, only 17% of women and 3% of men who are allergic to both.

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