When the signal is weak, the phone is working more, you drain the battery faster, so only use a phone when the signal is weak in a true emergency. Devra Davis More Quotes by Devra Davis More Quotes From Devra Davis Say no to being on-call 24/7 unless you are an emergency responder. Use a speakerphone, use a headset. Devra Davis headset emergencies use Get in the habit of never putting the phone next to your brain or body unless it's a true emergency. Devra Davis phones body brain Where people are using phones in rural areas their risk of brain cancer is higher than in urban areas. Devra Davis cancer phones people Cellphone and other wireless radiation should be classified as a "probable human carcinogen." Devra Davis radiation humans should
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