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A new study has found out that although the rate of asthma in children in the United States has been steadily increasing over the years there has been a decrease in number of cases in the last two years.
Researchers from the National Center for Health Statistics (NCHS) in the study stated that the trend of almost 20 years of increase in asthma diagnosis among children now seems to be stabilising. However, they also noted that this is not the case for the poor and children between the ages of 10 and 17.
The researchers also said that they could not establish a reason behind the stabilizing of the asthma cases in children. They further said that the reason behind the still increasing cases in impoverished children has not been entirely ascertained either.
However, they conjectured that it could be that certain environmental factors that trigger asthma or influence the condition may not be going away as well for the poor children as they are for others.
According to the study, asthma rates among children doubled between the years 1980 and 1995. There has been a noted stall in the increase in the number of cases since the year 2001.
National Center for Health Statistics’ Dr. Lara Akinbami said, “Trends in childhood asthma have recently stopped increasing. This is mainly due to the leveling off of prevalence among black children, who previously had large increases in the prevalence of asthma. However, more years of data are needed to clarify if asthma prevalence among children will continue to decline, or if it will plateau around current levels.”
In order to reach the findings, the researchers evaluated the data which was collected between the year 2001 and 2013 as part of the National Health Interview Survey. It was found out that although the number of cases related to childhood asthma increased between 2001 and 2009, it started stabilizing thereafter and began to decrease in the year 2013.
The findings of the research were published in the journal Pediatrics.