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Environmental Factors in Disease
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absorbed absorption acid action activity adult agents alcohol allergic amount animals antibodies antigen arsenic bacteria blood body calcium carbohydrate carbon causes cells cent changes chemical chlorine chromosomes common contains dermatitis diet disease disinfection dose drug dust effects eggs elements environment epithelium ergosterol evidence exotoxin exposure factors Fasciola hepatica favor feces fever fluid functions glands glucose grams habits harmful heat hereditary host human hydrocyanic acid immunity important individual infected ingestion inhalation intestinal invade iodine irritating Jour larvae lesions liver mechanisms mental mercury metabolism milk mosquito mucous membranes myiasis nature nervous normal nutrition occur organisms oxide parasite particles pathogenic phosphorus physiologic poisoning possible prevent probably processes produce protein psychic radium reactions respiratory response result Rickettsia salts Sanitary serum silicosis skin sodium sources specific substances supply surface temperature tion tissues toxic tract Trichophyton urine vegetables virus vitamin workers