64 votes
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Why do doctors ask for your race?

Race and ethnicity are risk factors in many diseases. Examples include, but are not limited to, cystic fibrosis and spinal muscular atrophy. There is also an epidemiological purpose of collecting this ...
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24 votes
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What's the best long-term sitting posture?

The best long-term perfect posture is subjective due to the variety of body types, incorrect posture differs from person to person and person's proper posture can be incorrect posture for someone else ...
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  • 4,697
20 votes

Why do doctors ask for your race?

There's a myriad of adjustments that can improve patients' treatment if it's race-informed. As a very small but characteristic example, the 2021 European Society of Cardiology Guidelines for Heart ...
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12 votes

Why do doctors ask for your race?

Here are some random examples: Ashkenazi Jewish Genetic Diseases Bloom syndrome. Canavan disease. Cystic fibrosis. Th Familial dysautonomia (FD). Fanconi anemia. Gaucher disease. Mucolipidosis IV. ...
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  • 221
10 votes
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How are ratios for one person CPR arrived at?

Note: The following is excerpted from an article written in 2005. For lay (Non trained) people, there are more updated recommendations. The following is an example of the process, not the current ...
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  • 6,524
9 votes
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Flu vaccine paradox

The paradox you describe is resolved if you think about the influenza vaccine that is approved as a procedure for making an annual vaccine. It is the procedure, repeated year-after-year, that has been ...
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  • 11.7k
8 votes

How do I determine reputable health information?

Great question! There are actually a number of resources out there that answer this question. Here is a very dry (but unbiased) answer from the Canadian Paediatric Society written for paediatricians ...
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  • 81
8 votes
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Is a study of one research in the field of medicine?

To build off of what JohnP said, scientific evidence has a hierarchy of reliability. Some types of papers, by their very nature, are more academically rigorous and likely to lead you to the truth. ...
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  • 1,251
7 votes

What's the best long-term sitting posture?

Short answer: there is no best long-term sitting posture. If there is any, take care of posture (I'd risk to say upright is best), and move every certain amount of time in the chair and/or around. I'...
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  • 171
7 votes
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Resources for human anatomy

TeachMeAnatomy Containing over 700 vibrant, full-colour images, TeachMeAnatomy is a comprehensive anatomy encyclopedia presented in a visually-appealing, easy-to-read format. Created by a team of ...
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7 votes
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How much is green tea really good against tooth decay?

Green tea, or any real tea made from the Camellia sinensis plant, has many advantages as a go-to beverage. It itself does not contain significant amounts of sugar, it has an enamel preserving pH ...
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  • 6,757
7 votes

Is a study of one research in the field of medicine?

"Studies of one" are also known as case studies, N-of-1 studies or case reports. I will refer to them below as case reports, for simplicity. They vary in quality just like any other type of studies. ...
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6 votes
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Correlation between carbonated drinks and IQ

Am I reading this right, that junk food and drinking soft drinks is correlated with higher intelligence quotient ? Does all that sugar beside its negative side effects (tooth decay, insulin highs) ...
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  • 5,693
6 votes

What are side effects frequencies based on?

Side effects frequency narrative words are defined by the council of International Organizations of Medical Sciences. See slide 10 of this presentation on the subject. As shown, "Very common" means ...
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  • 749
6 votes
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Looking for studies about how blood pressure changes are perceived by our brain

This study published in 2014 provides an excellent review of the physiological mechanisms of cerebral blood flow regulation (open access): Willie CK et al. Integrative regulation of human brain blood ...
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6 votes

What is the earliest research indicating tobacco products are addictive and/or harmful to the users health?

It very much depends on what you mean by evidence, but if you're talking about major studies that produced meaningful results that actually captured people's attention, it was a series of case-control ...
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  • 2,423
6 votes

How to calculate my "approximate" mortality rate while in ICU?

An individual person does not have a mortality rate: it means the fraction of people out of a group who die over a specific time period. It may seem like your particular chance of dying is that same ...
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  • 3,744
6 votes

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

Well, there is one meta-analytical estimate of the IFR for Covid-19 out already albeint only as a draft paper: there were 13 estimates of IFR included in the final meta-analysis, from a wide range ...
6 votes

What are the benefits of making animal viruses capable of infecting humans?

First off; to clear a couple of things up: Furin cleavage sites in coronaviruses are quite common - about 30-50% of human ones have them naturally1, and these sites do NOT necessarily cause them to ...
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  • 1,728
5 votes

How are ratios for one person CPR arrived at?

In Europe we use 30/2 for adults and 15/2 for children. For children heart problems are rare, so the focus lies on breathing (we also start with 5 breaths). With adults the focus lies on chest ...
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5 votes
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Machine learning for medical image scanning

Commonly used diagnostic imaging methods are: Ultrasonography X-ray Computed tomography (CT) Magnetic resonance imaging (MRI) Scintigraphy or radionuclide scan (injecting a radioactive tracer into a ...
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  • 15.6k
5 votes
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Is daylight savings linked to heart attacks?

This connection has been reported by several groups, in credible journals (I left a few references below). The study and news article you are referring to is confirming earlier findings, it is not the ...
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  • 11.7k
5 votes

Why are there no long-term humans trials of Noopept?

I don't see any trials of the drug in the ClinicalTrials.gov database; it seems there is almost no study of this drug clinically besides a couple studies in Russia, let alone long-term human trials. I'...
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  • 11.7k
4 votes

What are the criteria for assessing the quality of evidence in a medical research article?

I am not sure if I am answering your question correctly but I wanted to point you towards the following tools that I have found very useful when conducting critical appraisal of literature: CASP ...
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4 votes

Medical Problems and Computers

Drug research and epidemiology are two areas that lend themselves to distributed computing, and there are several existing projects that you can look at. There are several BOINC projects for medical ...
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  • 6,998
4 votes

Resources for human anatomy

Gray's Anatomy - an old but complete online book with detailed text and pictures. Get Body Smart - by organic systems, at a glance Inner Body - on hover interactive images, with text KenHub - 50 ...
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  • 15.6k
4 votes
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What does "Primary Purpose: Treatment" mean in a clinical study?

Your interpretation is basically correct. The formal definition is: https://prsinfo.clinicaltrials.gov/definitions.html#IntPurpose Primary Purpose *§ Definition: The main objective of the ...
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  • 9,314
4 votes

Is there a reliable website about cosmetic science?

I would trust the professional organizations' websites and journals: American Academy of Dermatology http://www.AAD.org American Osteopathic College of Dermatology http://www.aocd.org/ American ...
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  • 5,693
4 votes

Can scopolamine really be given through the ear?

Scopolamine products to prevent motion sickness are to be placed behind the ear to. One brand name for this product is Transderm-Scop. I will write below why it is placed behind the ear, but in terms ...
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