Since the earliest days of mobile phones , a small but unfaltering detail of environmental activists , confederacy - inclined folk , and some scientist have warned about the hidden damage they could be causing to our bodies , due to the radio oftenness vim cellular telephone use to communicate with cell pillar . They venerate that this non - ionizing radiation syndrome could penetrate our cells and cause hurt , increasing our risk of brain and head Crab . Butscientists elsewherehave dismissed this possible link as , at best , unproven and , at worst , utterly farfetched . In a surprising move this week , however , the California Department of Public Health ( CDPH ) weighed in on the public debate , admonish people , peculiarly child , to stay away from cellular phone whenever possible . The agency also issuedguidelineson how to reduce exposure to radiocommunication frequency vigor .

“ Although the science is still evolving , there are fear among some public health professionals and members of the public regarding long - term , high exercise exposure to the energy give out by mobile phone , ” Dr. Karen Smith , CDPH Director and State Public Health Officer , said in astatement . Aside from brain and foreland cancer , the guidepost note , radio frequency Energy Department has been suspected of causing sterility , headaches , and retention or learning problem .

The handout of the guidelines has n’t come without its portion of dramatic event . In 2016 , KCRAreported , Joel Moskowitz , the director of University of California Berkeley ’s Center for Family and Community Health at the University ’s School of Public Health , sued the CDPH after they turn down to make public a draft of the guidelines they had first modernize in 2009 but prefer to hold back . In sound legal brief , the agency argued that the guideline might have confound and alarmed the public since it then resembled guidelines cut by the Center for Disease Control and Prevention . The motor lodge rule in Moskowitz ’s favor , and sooner this March , the CDPH released adraft , updated as of 2015 , to the San Francisco Chronicle .

Argentina’s President Javier Milei (left) and Robert F. Kennedy Jr., holding a chainsaw in a photo posted to Kennedy’s X account on May 27. 2025.

The current guidelines are a bit more wide than the 2015 draft , include more tone on how to fend off radio frequence pic . They include keeping your cellphone off your body , keeping it out from your bed at night , and remove headsets when not on a call . It also advises not using the headphone when the signal is weak and not using your phone to pour music and video or download bombastic files — activities that can increase the amount of radio oftenness energy cellphones breathe . And it warn people not use product advertise as receiving set oftenness blocker , since some of them might actually raise your vulnerability levels .

Of course , there ’s still the expectant question of who to believe about cellphones . The World Health Organization hascategorizedradio absolute frequency free energy as a Class 2B environmental agent , meaning it might be “ possibly carcinogenic to human being . ” Meanwhile , the Food and Drug Administration ’s officialstanceis “ that the free weight of scientific evidence does not show an association between exposure to radio frequence from cellphones and adverse health result . ” And even throw shade at the WHO by pointing out that coffee , power line of business , and talc powder are also Class 2B agents .

For now , it ’s middling to say there has n’t been a smoking gun piece of research tie mobile phone to brain cancer . And while there ’s unlikely to be a work that definitively disprove such a link ( it ’s hard to show a negative ) , the exfoliation do leanpretty heavilytoward cellphone being good to use . Then again , there ’s also no damage in using your cellular phone less , and yield that we ’re start tofindthat too much screen time can be forged for our mental health , peculiarly for teens , it might be worthwhile to spend more sentence away from your earpiece anyway .

William Duplessie

Those inclined to expect for a better response , though , might want to keep an eye on theCOSMOSproject , an ambitious written report currently tag the cellular telephone usage and health of more than a half million the great unwashed dot across Europe . The survey , which began in 2007 , will conform to these people for the next 20 to 30 year .

CaliforniacellphonesScience

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