EntityQ674461· pop 18· linked from 345 articlesmultiple chemical sensitivitySign in to savechronic medical condition of disputed but probably multifactorial etiology (genetic and non-genetic)ConnectionsallergyEntityalternative medicineEntitymedical testEntitysymptom or signEntitydiseaseEntityWorld Health OrganizationEntitypetroleumEntitygeneticsEntityInternational Standard Book NumberEntityheadacheEntityasthmaEntitydepressionEntityChristmas treeEntitydigital object identifierEntityshamanismEntityInternational Standard Serial NumberEntityhomeopathyEntityneurologyEntitypseudoscienceEntityskepticismEntityCategoriesAilments of unknown causeAlternative diagnosesSensitivities