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Breathing in trouble: How outdoor air pollution isn’t just a lung concern

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(NaturalHealth365)  Outdoor air pollution poses risks to virtually everyone, irrespective of whether one has any preexisting conditions.  The well-established understanding is that prolonged exposure to outdoor pollution can harm lung health, potentially leading to respiratory issues and even lung cancer.

Intriguingly, a team of U.S. researchers set out to investigate whether the consequences of chronic outdoor air pollution exposure extended beyond lung health.  Their study, featured in Environmental Epidemiology, sought to uncover the impact of long-term exposure to outdoor air pollution on the risk of breast, colorectal, endometrial, and prostate cancer among older adults.

While it’s clear that air pollution is harmful, this study suggests that its detrimental effects might be even more extensive than previously envisioned.

Air pollution fuels a silent cancer epidemic

Outdoor (and indoor) air pollution has long been associated with chronic lung diseases, including asthma, and is a known contributor to lung cancer.  Regions with high levels of smog experience elevated rates of various lung ailments, with significantly higher lung cancer mortality than areas with cleaner air.

However, the focus of this study went beyond the well-established lung-related risks.  The researchers were determined to uncover whether chronic exposure to air pollution could influence the incidence of other types of cancer.  Their reasoning was rooted in the fact that when we inhale polluted air, it doesn’t merely affect our lungs; it also circulates throughout our bodies via the bloodstream.  This led them to consider the possibility of broader cancer risks associated with prolonged exposure to air pollution – a facet of the pollution-cancer link that merits exploration.

Unveiling the cancer-air pollution connection: Insights from a Medicare study

To unearth the intricate link between outdoor air pollution and cancer risk, this study honed in on a group of Medicare recipients aged 75 to 84.  Rigorously curated, the patient data underwent meticulous stratification based on socioeconomic status, geographical region, and gender.  A crucial prerequisite was that these individuals must have had a clean slate – a decade devoid of any cancer diagnosis.

Further classification segmented them into distinct groups based on specific cancer types: prostate, breast, colorectal, and endometrial.  The data chronicle spans from the year 2000 to 2016, excluding participants who departed this world prematurely, ensuring the most comprehensive data set possible.

But here’s where it gets intriguing:  The researchers didn’t stop at patient information.  They delved deep into environmental data, amassing information from multiple sources.  This treasure trove allowed them to pinpoint each participant’s regional exposure levels to particulate matter and nitrous dioxide.  The exposure data itself was a spectrum ranging from minimal to maximal, offering insights into the full spectrum of risk factors.

Why outdoor air pollution is a cancer risk we can’t ignore

The study’s data left little room for doubt:  A clear and substantial surge in the risk of all four studied cancers directly corresponds to higher exposure to outdoor air pollution.  Notably, breast cancer displayed a stark increase in areas abundant with fine particulate matter and nitrous dioxide pollution.

While the study couldn’t precisely gauge if individuals spent substantial time outdoors through activities like walking, gardening, or outdoor jobs, it’s reasonable to infer that more direct outdoor exposure magnifies the risk.

Crucially, it’s important to emphasize that this research honed in on breast, colorectal, endometrial, and prostate cancer.  However, this does not confine the ominous reach of air pollution’s risk factors solely to these four types, plus lung cancer.  The perilous effects of polluted air extend like an invisible web, infiltrating our cardiovascular system via the pulmonary pathway, impacting every cell in our body.

Take these practical steps to protect yourself from outdoor air pollution

Adopting measures to minimize exposure is crucial for those residing in areas with high outdoor air pollution – typically found in cities or regions with heavy industrial activity.  For instance, embracing outdoor activities in less polluted environments can significantly benefit your health.  A leisurely beachfront walk exposes you to considerably less air pollution than a stroll along a congested urban road.  Similarly, planning a drive to a wooded area for hiking or a day of forest bathing can dramatically reduce your exposure while still allowing you to enjoy the outdoors.

If you lack the means or time to escape the city, even walking in parks can diminish your air pollution exposure.  By distancing yourself from car-heavy areas, you significantly reduce inhalation of harmful particulate matter.  Simply moving a short distance away from a road with recent vehicular activity can make a substantial difference.

When leaving the city is unfeasible, opt for indoor exercise inside a well-ventilated facility.  Walking on a gym treadmill equipped with air filtration surpasses outdoor sidewalk walks adjacent to busy roads.

With the newfound understanding that outdoor air pollution heightens the risk of various cancers, extending beyond lung ailments, it becomes increasingly imperative to proactively curtail your daily exposure.

Sources for this article include:

Journals.lww.com

The post Breathing in trouble: How outdoor air pollution isn’t just a lung concern appeared first on NaturalHealth365.

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