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1500 questions
8
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1 answer
Is it safe to get a flu shot when living with an elderly person?
I share a house with a healthy nonagenarian. I know the flu can be dangerous for people of advanced age, so I'm considering getting a flu shot this year.
Is this a good idea? Are there any risks I could pose after being vaccinated? I've heard…
Nate Barbettini
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Why doesn't water enter the venous system if injury happens far underwater?
If I expect a maximum central venous pressure of 5 mmHg in a peripheral vein, why doesn't water enter the system if a diver underwater injures themself?
Adler
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8
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Are there any studies that suggest mental disorders can manifest physically?
For example, depression becoming so absolute to one mentally that their physical body suffers. Maybe through a lack of physical activity or something.
If it helps, I am attempting to write an essay on Edith Wharton's Ethan Frome and argue that the…
Todd O'Rourke
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1 answer
Blood pressure in aorta vs. blood pressure in brachial artery
Second year medical student asking.
Does the blood pressure at the root of aorta equal the blood pressure in the brachial artery?
I've heard it does but it doesn't quite seem to make sense as I'd think the blood pressure would be lowered the further…
Paze
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8
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Time needed for vitamin B6 to reach the brain
If you take 250 mg of vitamin B6 orally as film-coated tablets, how long does it take until the greatest portion of it reaches the brain? When does the peak occur and how does the substance spread? Are there easy ways to extend this time by one…
draks ...
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Does tea cause gags?
It's been a personal experience. I am at home now and take tea twice a day. For 2 months now I have been having acidity problems, which, my doctor told me, were the main reason I have been getting gags the whole day. I had quit taking tea ceterus…
Jony Agarwal
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8
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1 answer
Water vs. Coffee when hungry at work
On occasion I will not have time to eat breakfast or forget to pack a snack before work. While sitting at my desk, I can hear my stomach rumbling and I have a higher tendency to daydream or lose focus on my work.
My only two options before lunchtime…
Hayley Guillou
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Can a RT-PCR test claim 100% sensitivity and specificity?
A recent RT-PCR test for SARS-CoV-2 from a private laboratory lists the test's sensitivity and specificity as 100%. The test certificate lists this next to the result:
Ref. value/Норма
Negative (sensitivity 100%, specificity 100%)
Отрицательный…
DK2AX
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8
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1 answer
Heart transplant for people over the age of 65
On the NHS website for heart transplants, it says:
You will usually be considered unsuitable for a heart transplant if you:
Are over the age of 65 – though exceptions can be made
I have been unable find any further materials that document the…
ʰᵈˑ
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8
votes
1 answer
Why are Drugs.com side-effect incidence rates so different from manufacturer/FDA reports?
Entries at Drugs.com have a section on "Side Effects... For Healthcare Professionals" which present percentages for incidence rates of side effects. However, I've found that the rates reported there are wildly at odds with those reported on…
Daniel R. Collins
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8
votes
2 answers
Will the COVID-19 vaccine grant immunity to other coronaviruses?
As I understand it, the mRNA vaccine teaches the immune system to recognize and attack the spike protein on the surface of the novel coronavirus. Don't all coronaviruses share this same spike protein? If so, will the vaccine grant immunity to other…
Isaac Lyman
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8
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2 answers
How/when can a doctor say that someone will no longer transmit Covid?
Source
This may sound like yet another anti-trump post, but, really I am more concerned for my own health, and that of my family. He is just an easily accessible example (feel free to migrate this to a medical site, if we have one). Inevitably, some…
Mawg says reinstate Monica
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1 answer
Do Benadryl and Loratadine contain the same active ingredient?
When I get bad Hay Fever, I take either Benadryl or Loratadine. I am wondering what the active ingredients are in these, and Is it okay to take them both together (or would that be over dosing)?
On top of that, is there any benefit to taking them…
Tim
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5 answers
Why hasn't Russia's daily COVID-19 cases decreased as a result of its vaccine?
On August 11, Russian president Vladimir Putin announced a new vaccine for COVID-19. Since then Russia's COVID charts have looked like this:
Evidently the vaccine has had a weak-to-no effect on both the number of cases and the number of deaths.…
Allure
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8
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1 answer
Is it possible to have an autoimmune disease and no C-reactive protein in blood serum?
Autoimmune diseases cause inflammation. C-reactive protein (CRP) should be elevated in a person with inflammation.
Is it possible that a person with an autoimmune disease (e.g. autoimmune hemolytic anemia) and without impaired CRP production has a…
Hinko Pih Pih
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