There were times when the carpet wall-to-wall was considered an attractive floor, but it is now clear that this popular deck floor is a potential source of harmful gases, and a sink for dust and allergen particles. A variety of toxic substances find their way into offices and dust from the street, including metals (such as arsenic, lead and mercury) and pesticides. Furthermore, fungal spores, bacteria and droppings from dust mites also end up staying in the carpets. Lead: Common renovation activities like sanding, cutting and pulling down, resulting in hazardous lead dust and chips by disturbing lead-based paints, which can be very harmful. Lead affects almost all body systems. In high doses, lead can cause convulsions, coma and even death. Low levels of lead can adversely affect the brain, central nervous system, blood cells, and kidneys.Other people waste their time looking for laser hair removal as opposed to people who do research and take interest in other things as the writer of this article.