The reason for this lesson is to learn about some health risks that exist in many houses, and to learn simple ways to lower these risks. Smoking in places where children are present. Children exposed to tobacco smoke have increased chances of ear infections, upper respiratory infections, colds. In children with asthma or allergies, this may trigger an attack, which makes it difficult for the victim to breathe. Some research shows that prolonged exposure can increase the chances of serious diseases later in life.
Combustion products are gases and fine particles produced when any fuel is burned.
All these products are unhealthy, causing irritation and illness and sometimes death. In normal operation of a furnace, these pollutants go up the chimney. When these appliances are not vented to the outside, their pollutants collect in the building. Pollutants from these sources include formaldehyde, oxides of nitrogen, carbon monoxide, carbon dioxide and other chemicals, as well as fine particles of soot. Amounts produced will depend on the size of the space heater, how long it is in operation, whether the heater has been properly cleaned and adjusted, and ventilation of the room, among other factors.