By Building Biologist, Chery Lanne Electrical sensitivity (ES) also known as electro-hypersensitivity (EHS) is a condition where people exposed to electromagnetic fields and frequencies (EMF) over time present with a range of health effects. All forms of man-made electromagnetic energy contribute to biological effects. In more recent times, the increase of electromagnetic radiation (EMR) know as Wi-Fi, microwave radio frequency radiation, technically referred to as wireless