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 ...
- 13.7k
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, ...
- 6,164
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)...
- 6,772
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
...
- 6,772
5
votes
Is asthma a disease?
This is very dependent on what one defines as a disease. There are people who only count acute conditions and/or infections as "diseases" though I wouldn't have expected a doctor to make this ...
- 6,982
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 ...
- 6,887
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 ...
- 41
4
votes
Accepted
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 ...
- 3,203
3
votes
Accepted
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 ...
- 3,203
3
votes
Accepted
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 ...
- 46
3
votes
Accepted
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:
....
- 15.8k
2
votes
Accepted
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
...
- 3,203
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 ...
- 13.2k
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 ...
- 13.2k
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:
...
- 6,887
1
vote
Accepted
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 ...
- 137
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