HEPA Filters Reduce Cardiovascular Health Risks

HEPA air filters may help to reduce the cardiovascular disease risk associated with exposure to air pollution. Researchers found that high efficiency particle air (HEPA) filters reduced the amount of airborne particulate matter. This, in turn, resulted in improved blood vessel health.

The researchers recruited 45 adults from 25 homes in a small community where wood burning stoves are the main sources of pollution. Each participant's home was monitored for two consecutive weeks, during which time HEPA filters were places in the bedroom and main activity room. At the end of each week, blood and urine samples were collected from each participant, and endothelial function also was evaluated.

According to Eurekalert:

"After analyzing their data, the researchers found portable HEPA filters reduced the average concentrations of fine particulates inside homes by 60 percent and woodsmoke by 75 percent, and their use was associated with improved endothelial function (a 9.4 percent increase in reactive hyperemia index) and decreased inflammation (a 32.6 percent decrease in C-reactive protein)."

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