1. Asthma
Respiratory illnessrs such as asthma have increased greatil in the past few decades.It is estimated that five percent of population in the United States has asthma.this is a chronic disease,that is it affects a person over a long period of time. It may begin beforeva child is 10 years old, or it may begin in adulthood. Childhood asthma usually disappears around the age of 20, but adults who get it later may have it all their lives.
people who suffer from asthma have difficulty breathing because the airways in their lungs contract when a trigger causes a reaction. Among the triggers of asthma are indoor and outdoor pollutants, according to doctors. Since pollution has risen. Indoor pollutaants include cigarette smoke, dirt, insects, and even pets like dogs or cats. Outdoor pollutants include chemicals, dust, and smog, that is, smoke from factories or transport vehicles like buses and trucks.