The air we breathe carries many particles of different types and sizes. Some large particles may settle on the walls and furniture of his house. Other large particles are separated from the air through the nose and mouth when you inhale. The smaller particles are sucked deep into the lungs.
Some particles found in air originating from the interior. Others are carried in the outside air. Foreign particles to enter your home through windows, doors and heating systems.
For most people, the particles found in the indoor air do not cause any problem. But people with allergic symptoms, including asthma, may have problems in his household.
Triggers of Asthma and Allergies:
If you or someone you know have allergic symptoms or asthma, are sensitive to triggers, which include the airborne particles. These triggers can initiate a reaction in your lungs and other parts of your body. The triggers can be found indoors or outdoors. They can be simple things like:
The air we breathe
Cold air.
Snuff smoke and wood smoke.
Perfume, paint, aerosol products for hair, or different scents or strong fumes.
Allergens (particles that cause allergies) such like dust mites, pollen, mold, pollution and waste and animal dander (which is made up of tiny scales or particles that emerge from the hair, feathers or skin) of any pet.
The common cold, flu or other respiratory illnesses.
The protocol for 
