Following your link: > In 2011, International Agency for Research on Cancer (IARC) classified mobile phone radiation as Group 2B - possibly carcinogenic.

Group 2B includes coffee, pickled vegetables, titanium dioxide (used in food coloring and sunscreens), and work in carpentry, dry cleaning, printing industry, and textile industry.

I think I'll keep my cell phone. (And coffee and kimchi, for that matter.)