EHS are people’s reactions to invisible emissions of electromagnetic radiation.  (EHS, electromagnetic radiation hypersensitivity)

The reactions or symptoms include headache, type 3 diabetes, confusion, altered heart rate, difficulty multitasking, anxiety, faulty judgement, numbness, impaired vision, sleep problems, tinnitus.

There are many more symptoms including ones listed in Bevington, M. (2013). Electromagnetic Sensitivity and Electromagnetic Hypersensitivity (also known as Asthenic Syndrome, EMF Intolerance Syndrome, Idiopathic Environmental Intolerance – EMF, Microwave Syndrome, Radio Wave Sickness) A Summary. London: Capability Books, http://www.es-uk.info.