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20 votes
Accepted

Why do corticosteroids harm COVID-19 patients?

One of the primary purposes of corticosteroids is to suppress immune activity and inflammation: that's exactly why they are used in asthma. Of course the immune system has an actual job besides ...
Bryan Krause's user avatar
  • 14.1k
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, ...
Chris Rogers's user avatar
  • 6,205
7 votes

Can Asthma lead to a Cardiac Arrest and thus require CPR?

Asthma can lead to shortage of breath and in severe cases to death by suffocation (called asthmatic asphyxia). Failure of breathing inherently involves that the heart rate stops (called cardiac arrest)...
Narusan's user avatar
  • 6,921
6 votes
Accepted

How many puffs of Salbutamol can be dangerous?

In a sudden asthma attack you can take more salbutamol, up to 10 puffs, but you should wait 30 seconds and always shake the inhaler between doses. You can repeat this dose 10 minutes later. NHS.org.uk ...
Narusan's user avatar
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4 votes
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Type of hypoalergenic milk to supplement breastfeeding?

Allergy Inheritance True allergy is mediated through the immune system responding to a non-harmful substance. Antibodies (immunoglobulins) from the Immmunoglobulin E (IgE) subgroup may be created in ...
Chris's user avatar
  • 3,414
4 votes
Accepted

The upside to hookworms? Possible treatment to asthma?

Yes. There are scientific reasons and treatments involving worms and allergies or other immune system disorders. But the results are not overly conclusive and still understudied. This is based on the ...
LаngLаngС's user avatar
  • 6,908
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 ...
Terrance38's user avatar
3 votes
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How likely is intracranial thrombophlebitis after nasal hair removal and is there an increased risk for inhaling harmful substances?

1) How likely is intracranial thrombophlebitis after nasal hair removal? Cavernous sinus thrombosis (Stat Pearls, 2019) after nasal hair removal (or from any cause) seems to be rare but possible: ....
Jan's user avatar
  • 15.9k
3 votes
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Why is it recommended to record the highest peak flow result and not an arithmetic mean average?

Well, PEF (peak expiratory flow) varies thorough the day and it's at its lowest in the morning (which is when patients are usually instructed to take it x3, before their meds), so taking the highest ...
panteleimon's user avatar
3 votes
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Allergy prevention: long duration of breast feeding vs early exposure to allergens - how does that fit together?

I’m going to focus in on your numbered questions. I have also answered your related question. Question 1 From First Bites—Why, When, and What Solid Foods to Feed Infants: There also appears to be a ...
Chris's user avatar
  • 3,414
2 votes

Covid-19 specifically for Asthma patients

There are apps to help you distinguish Covid-19 versus other diseases so in your question your mention a runny nose which is a rare or infrequent manifestation of covid-19. Shortness of breath is a ...
Graham Chiu's user avatar
  • 13.3k
2 votes

Why do corticosteroids harm COVID-19 patients?

The Lancet article you referenced in your question answered the questions you asked. In the trials of high dose corticosteroids used to treat SARS patients Corticosteroids use was: not associated ...
Graham Chiu's user avatar
  • 13.3k
2 votes
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Where does the powder spray from an asthma inhaler go?

This depends a little on whether the inhaler is a metered-dose inhaler (MDI - aerosol) or dry powder inhaler (DPI). DPI inhalers require adequate inspiratory flow rates. Metered dose inhalers ...
Chris's user avatar
  • 3,414
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 ...
Chris's user avatar
  • 137
1 vote

Role of Omega-3 in exercise induced bronchospasm?

Since all of the studies on this specific product seem not only mussel-like but downright fishy when reporting large effects the following is a bit speculative and just assumes that it actually works: ...
LаngLаngС's user avatar
  • 6,908

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