Sharon calls herself a universal reactor. In the 1990s, she became allergic to the world, to mould colonising her home and the paint coating her kitchen walls, but also deodorants, soaps and anything containing plastic. The other extreme of the spectrum is an environmental intolerance of unknown cause (referred to as idiopathic by doctors) or multiple chemical sensitivity. An official definition of MCS does not exist because the condition is not recognised as a distinct medical entity by the World Health Organization or the American Medical Association.Read Long Article
