Shield Sham

摘要

Here's some reassuring medical news: Recent studies in the New England Journal of Medicine and the Journal of the American Medical Association have found no connection whatsoever between cell phone radiation and brain cancer. That hasn't stopped inheritors of P.T. Barnum's mantle. A cottage industry has sprung up to sell little doodads that supposedly shield callers from cellular radiation. Known by vaguely familiar names like SafeTShield, Wave Shield, Cellularguard and Wave Scrambler, these fear-fueled gadgets are selling nicely in stores like Lowe's Home Improvement Warehouse, Duane Reade and Ace Hardware in the U.S.