Cellphones Shown to Change Brain ActivityPosted On February 26, 2011 A JAMA article published Wednesday is among the first to document that the low levels of radiation emitted from cellphones can speed up brain activity near the area of the brain where the cellphone antenna is located.RelatedRelated Posts HealthVault & Amalga on Surface Join the Army of Entrepreneurs TechCrunch Interview With Digg’s Kevin Rose Add a Comment Cancel replyYour email address will not be published. Required fields are marked *CommentTime limit is exhausted. Please reload the CAPTCHA. nine − = Notify me of follow-up comments by email. Notify me of new posts by email.