Air pollution is known to adversely affect human health, but what is less known is to what extent. Numerous studies are trying to find out the health consequences of poor air quality, and the latest one was conducted by researchers from the University of California, Davis.
The research team linked air pollution data collected from federal monitors in the Sacramento, California area, including during significant wildfires, to show the ill effects of pollution on children.
The study, published in the journal New Directions for Child and Adolescent Research, indicates that children who were exposed to a higher concentration of fine PM 2.5 particles, which can penetrate into the bloodstream, have elevated markers of systemic inflammation in the blood such as interleukin 6. They also found that increased air pollution is associated with lower cardiac autonomic regulation in children that affects heart rate.
Researchers examined blood samples from more than 100 healthy children ages nine to 11 in the Sacramento area where the Environmental Protection Agency has registered pollutants near their homes.
When it comes to significant fires that hit this area, a total of 27 examined children had markers of inflammation in their blood recorded during significant fires when a significant concentration of PM 2.5 particles was recorded in their neighborhoods.
Researchers have found that children may be particularly susceptible to the effects of air pollution, given that, compared to adults, they have a larger lung surface area relative to their body weight and thus a greater intake of polluting particles.
Source: Energy Portal of Serbia by www.energetskiportal.rs.
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