7 votes
Accepted

How far away from a highway should I live to avoid negative health effects?

To answer this question you would need to find the source of the information. I found the study mentioned in the article in the Toronto Star (Chen, et al. 2017); and while studying risks of dementia, ...
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  • 5,872
5 votes
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How do you filter out Benzene?

VOCs are one of the most prevalent indoor air pollutants. They are released by many common materials, from foams to carpets to paints. House air circulation is not very conducive to adequate ...
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  • 5,694
4 votes

How far away from a highway should I live to avoid negative health effects?

There are many factors to consider. The pollution level (and risk) depends on at least the following: typical wind direction during rush hour density of trees between you and the road elevation ...
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3 votes
Accepted

Are aluminum profiles dangerous?

General rule of thumb: Reduce the amount of dirt and dust in the air you breathe. This question does currently not specify if those profiles are just handled and assembled in a bedroom. That should ...
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  • 6,777
3 votes

Do HEPA air filters serve any health benefit?

I found three well conducted (randomized trial) studies on this topic. Synthesis seems to be that HEPA results to significant reduction in the particulate matter in the air but the objective effects ...
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  • 2,322
3 votes

Alternatives other than face-mask-respirators for protection against COVID-19

Those are face shields to prevent primarily droplets reaching the eyes, and are worn as being more comfortable than goggles to protect the mucous membranes of the eyes, and they don't fog up like ...
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2 votes
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How to breath better when you live in a big city?

Leave open the window of my room all day is dangerous for me ? No. There are even more particles in a confined room that there is outside. Should I avoid walking or running along traffic queues ? ...
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2 votes

What are the pros and cons of various negative ion generators for health benefits?

Some negative ion generators also produce small amounts of ozone, which is a gas that can be lethal if inhaled in concentration. I suppose if you were to find a way to accumulate enough ozone and then ...
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  • 121
2 votes
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What are the dangers of breathing minerals that are dispersed into the air by a humidifier?

Pathologies due to mineral inhalation are a broad spectrum of diseases called pneumoconiosis. You can read about it here in Wikipedia. The type of disease is different regarding different minerals, ...
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  • 132
2 votes

How humid should the air be to avoid epistaxis (i.e., nosebleed) induced by air dryness?

Sites vary, but most mention a median range of between 30-40% humidity. 40-50% Humidity During extremely cold weather, your home loses humidity to the outdoors and may drop as low as 5%. By ...
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  • 2,952
2 votes

Do surgical masks effectively protect me against passive smoking and off-gases from cars?

Keep in mind that surgical masks are designed primarily to protect the patient from the surgical staff, not the other way around. They prevent aerosols exhaled by the surgeons and nurses from ...
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  • 9,435
2 votes

Which is more harmful, high CO2 indoor or PM2.5 outdoor

Given the levels you're describing, I'd stay inside, but it's a close call. Pulling up a random Carbon Dioxide Safety Data Sheet, the long-term exposure limit for carbon dioxide is 5000 parts per ...
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  • 1,990
2 votes

Would an operating theater ringed with green plants increase infection risk or reduce it?

Perhaps a good idea for separate lobbies or waiting rooms, but definitely not for operating suites or patient care areas. Plants use CO2 and release O2, which is good. They also do filter VOCs (...
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  • 5,694
1 vote

Do HEPA air filters serve any health benefit?

Not knowing about HETA air filters some general information: Small particles in air may cause cancer or other lung diseases, but preferably when inhaled in large amounts for a long time(>10 years). In ...
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  • 226
1 vote

How healthy are hands-free stenomasks?

With the COVID-19 pandemic some new attention has come to mask wearing pressure injuries. On a very general level, pressure injuries happen mostly to immobilized patients or those with sensitive skin, ...
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  • 1,157
1 vote
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How is it determined that someone died from "air polution"?

Your question can basically be extended to all studies related to statistics. In simple terms you are generally looking for a relationship (e.g. between an increased number of deaths and air pollution ...
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