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1500 questions
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1 answer

Does breathing heavily whilst having bronchitis have potential of furthering the illness?

I am currently practicing a heavy and fast breathing technique that supposedly boosts immunity by pumping the lymph I was wondering, considering I have bronchitis at the moment could that further the illness in any way?
user85190
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Why is the flu more deadly to children than COVID-19?

Or better framed: Why are children not developing as severe reactions from COVID when they tend to fare much worse from seasonal flu? Is the answer something along the lines of: Those that don't die from seasonal flu gradually develop immunity over…
9
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1 answer

How much mercury is contained in sea salt?

Eating fish means eating mercury in meaningful quanties. The EFSA advocates for that reason against eating tuna every day. If I buy sea salt, does it also contain mercury? Is so how much? Is it a meaningful quantity such as tuna?
Christian
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What do the European reference intake values used for food labels actually mean?

In the European Union, food labeling is currently harmonized by Regulation 1169/2011. In it, the Reference Intakes or RI (previously Guideline Daily Amount or GDA) are defined as follows: Energy or nutrient Reference…
Patrick Hoefler
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9
votes
2 answers

What causes body parts to fall asleep?

Throughout my life, I've had body parts fall asleep (mostly my feet). I get a weird sensation called Paresthesia, or "pins and needles". Though it goes away after a some time, I hate the several minutes that I do have because it is very…
michaelpri
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9
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2 answers

Are there diseases for which infection does not grant lasting immunity but a vaccine does?

There has been a lot of discussion about whether people who have COVID-19 and recover will have long-lasting immunity. At the same time, work is underway to create a vaccine for this disease. But if infection does not necessarily provide immunity,…
BrenBarn
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9
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3 answers

What data and research is available on the mortality risk (infection fatality rate) of COVID-19?

Given controversy and confusion over aspects of COVID-19, particularly over comparisons and contrasts with the mortality risk of seasonal flu, this question seeks data and findings on the mortality risk (Infection Fatality Rate) of Covid-19. The…
9
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1 answer

Why is it necessary to fast before a procedure involving anesthesia?

Before dental or surgical procedures involving anesthesia, there is a common instruction for patients to avoid eating or drinking for some time before their scheduled procedure. Is this because the effectiveness of the anesthetic drugs is affected…
Bryan Krause
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9
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2 answers

Causes of hypertension in young, healthy patient?

What are some of the causes of elevated systolic blood pressure in an otherwise young, healthy and asymptomatic patient?
Kenshin
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9
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5 answers

Which DIY mask is most effective?

There have been a number of do-it-yourself (DIY) mask designs released and tested by both universities and other institutions on account of world wide Personal Protection Equipment (PPE) shortages. Some were designed at the time of the SARS…
Graham Chiu
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9
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1 answer

Is there any identified policy China is doing to successfully reduce COVID-19 the other countries aren't using?

Over the last days (beginning of March 2020), active cases of COVID-19 from China have dropped at a rate of 1,000-2,000 per day. China is the only country which seems able to reduce the amount of active cases, assuming the information which is…
Pablo
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0 answers

Is there any figure about the accuracy of COVID-19 tests?

Recently I saw the local media (Romania) presenting a case that was initially considered COVID-19 positive and two subsequent tests led to negative results. As far as I know no official bothered to offer an explanation and I assume that this is…
Alexei
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9
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1 answer

Cartilage deterioration in patient's after ACL reconstruction in contralateral knee

From literature, about 50% of anterior cruciate ligament (ACL) reconstruction patient's are predisposed to osteoarthritis (OA) later in life due to cartilage deterioration and cartilage damage from the injury [Source 1 and source 2]. From my…
Eric
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9
votes
1 answer

Videos of surgery

Where can I find a website which contains videos of open trauma (HD if possible)? I want to accustom to these views (because I am a medical student).
user16752
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9
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2 answers

Are ear infections more likely when visiting high altitudes?

We recently took our toddler to the Alps, and I was surprised when multiple people asked me if I was worried about her getting an ear infection due to the high altitude (the highest point was 2770 m). We checked with her pediatrician last year…
Brusselssprout
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