WHO classifies radio frequency electromagnetic fields as a `` group 2B '' possible carcinogen . Would labels help ? Group is catch-all category , and includes everything from carpentry to chloroform . Comment: Specific absorption rate is the most commonly cited benchmark .
WHO classifies radio frequency electromagnetic fields as a `` group 2B '' possible carcinogen . Group is catch-all category , and includes everything from carpentry to chloroform . Comment: Specific absorption rate is the most commonly cited benchmark .