Childhood asthma could arise if the mother smoked during and after pregnancy. Childhood asthma is also prevalent in low income communities, especially in urban settings. Where there is a lack of education such as in poor communities there is less knowledge of the harmful effects of smoking during pregnancy and the effects of second hand smoke after the child has been born. Urban communities are also known to have polluted air due to the influx of traffic on a regular basis. A family history of asthma or allergies puts a child at a higher risk to develop asthma. It has also been seen that respiratory viruses are one of the most common causes of asthma symptoms in children 5 years old and younger. A child’s airways are much smaller than
