Updated at 23 Jun 2026
Radiation and health concerns focus on exposure to electromagnetic fields (EMF) from devices like mobile phones and computers. While some individuals report symptoms attributed to EMF, scientific studies generally show no direct link between EMF exposure and health effects. Symptoms may stem from psychological or environmental factors.
Electromagnetic hypersensitivity (EHS) refers to a condition where individuals report various non-specific symptoms they attribute to exposure to electromagnetic fields (EMF) from sources such as video display units, mobile phones, and base stations. Common symptoms include dermatological effects like redness and tingling, as well as neurasthenic and vegetative symptoms including fatigue, dizziness, nausea, heart palpitations, and digestive disturbances. EHS is not recognized as a distinct medical syndrome and resembles multiple chemical sensitivities. It falls under a broader category called Idiopathic Environmental Intolerance (IEI), encompassing unexplained sensitivities to environmental factors without a clear physiological or toxicological basis.
Prevalence estimates of EHS vary widely, ranging from a few individuals per million to higher figures reported by self-help groups, with some cases considered severe. Geographic differences exist with higher reported incidence in countries like Sweden, Germany, and Denmark compared to the UK, Austria, and France. Symptoms similar to those of EHS are also common in the general population.
Experimental studies on EHS sufferers exposed to EMF have generally failed to show consistent detection of EMF or correlation between EMF exposure and symptoms. Symptoms may instead arise from other environmental factors such as flickering fluorescent lights, visual problems related to computer screens, poor ergonomic conditions, indoor air quality, or workplace stress. Psychiatric conditions or stress related to fears about EMF health effects may also contribute.
There are no clear diagnostic criteria or scientific evidence linking EHS symptoms to EMF exposure, and EHS is not considered a medical diagnosis. Treatment should focus on the clinical symptoms rather than EMF exposure avoidance. This includes medical and psychological evaluations to exclude other causes, assessment and mitigation of environmental factors like air quality, lighting, noise, and ergonomics, and stress reduction. For severe and persistent cases, symptom management and therapy should be prioritized.