Last generation paint, designed to reduce the amount of formaldehyde contained into indoor atmospheres, purifying them. This reaction does not emit toxic gases; on the contrary, it cleans them.  Air pollution can cause health problems as breath diseases (asthma), allergies, even lung cancer. We spend more time indoors each time, and the quality of indoor air has become one of the main health matters on the agenda of the European Commission.  Tobacco, cleaning products, domestic and heat fuels, and furniture or materials of construction, are common sources of pollution.