noun: Initialism of environment, health, safety. [The surroundings of, and influences on, a particular item of interest.]
noun: Abbreviation of electromagnetic hypersensitivity. [(pathology) An illness purportedly caused by electromagnetic radiation from electrical and electronic devices, usually with symptoms of headaches, blurry vision and nausea.]
noun: Abbreviation of exploding head syndrome. [A rare parasomnia in which the subject experiences the auditory hallucination of a loud bang or similar noise inside the head.]
