The dust mites feed on the dead scales of skin, which the human body constantly sheds at a rate of 5g per day. The scales are too dry and horny when they flake off the human body for the mites to eat and they need to condition in a moist atmosphere for a few days to absorb water from the air, and to promote the growth of miniature surface moulds, before they are suitable as mite food. 

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Dust mites do not bite you. You can not feel them crawling on you. The allergic symptoms are caused by inhaling the microscopic fecal matter and shed skins.GCE sofa and upholstery  cleaners offer a specialized dust mite cleaning treatment to help you control the amount of dust mites in your bedrooms.