Science and Technology
publicado em 23/01/2011 às 13h45:00
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Living near busy roads increases the risk of respiratory diseases

Teens who live in these towns have a high risk of developing allergies and asthma, says study

 
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Experts from the University Jhons Hopkins, U.S., say: young people who live near busy roads may have respiratory diseases. According to the study, the likelihood of children and adolescents develop allergies to dust mites, pet dander and mold is 30%, and this situation may worsen to severe symptoms of asthma.

The survey was conducted with 725 adolescents aged between 13 and 15 years, living in slums near Lima, Peru, the country has the highest rates of symptoms of asthma among children in Latin America, reaching 26%. The activities started in 2008 and had home visits to measure lung function and environmental pollutants from the air.

During the study, experts found that the risk of allergic disease has increased 7% for each block near the roads. For those living alongside the highway, the odds of asthma were twice as high than those who live about four blocks away. This research demonstrates the need to protect the respiratory health and to plan future motorway away from residential areas and school, says the research investigator, William Checkley. He adds further that the population should also consider preventive strategies aimed at reducing the rates of asthma.

The researchers plan further studies on the genetic profile of those participants with higher risk of allergic reactions and asthma. The goal is to identify pollutants or other environmental stimuli associated with the traffic, which help trigger the allergic disease and then use that knowledge to stop them before asthma develops.

Spain

Source: Isaude.net
   Palavras-chave:   Allergic asthma    Highways    Johns Hopkins University    William Checkley   
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