Questions tagged [medical-science]

Use this tag for questions about the science of medicine and its practices. Use [medications] for questions about the actual cures that people take, and use [alternative-medicine] for claims about cures and practices which are claimed to be alternative to official medical science

Filter by
Sorted by
Tagged with
46
votes
1answer
19k views

Was superglue invented to seal bullet injuries in Vietnam?

I cut myself recently and used superglue to seal the wound. I thought it was normal but when I tell people that act like I'm crazy. Then I tell them this story: Superglue was invented during the ...
46
votes
3answers
22k views

Does the AMA limit the number of doctors to increase current doctors' salaries?

A suggested reason why doctors get paid so much more in the US as opposed to other developed countries is that the American Medical Association (AMA) artificially limits the physician supply in order ...
45
votes
2answers
5k views

Has most peer-reviewed research on homeopathy given positive results?

I was surprised by the following claim from NaturalNews: Most clinical research conducted on homeopathic medicines that has been published in peer-review journals have shown positive clinical ...
44
votes
1answer
2k views

Are many allergies caused by too much hygiene?

One hears it once in a while that many allergies are due to people overly concerned with hygiene. The rationale is that growing up in a near-sterile environment will leave your immune system confused ...
43
votes
5answers
14k views

Are vaccinated children significantly less healthy than the unvaccinated, as recent study claims?

In their 2020 study termed "Relative Incidence of Office Visits and Cumulative Rates of Billed Diagnoses Along the Axis of Vaccination" [full text], appearing in the International Journal of ...
43
votes
2answers
5k views

Is the number of childhood vaccines correlated with infant mortality?

Related Just how inaccurate are vaccine myths? Is it dangerous to have several vaccines at the same time? I was passed along an article reporting that a new study found that despite having the ...
43
votes
2answers
40k views

Do condoms have large enough holes for HIV to pass through?

Some people say that holes in latex are large enough for the AIDS-causing HIV and chlamydia to pass through, so that condoms do not protect against these STDs. Others dispute this statement and ...
43
votes
1answer
6k views

Did Louis Pasteur keep a gun in the laboratory while developing the rabies vaccine?

Is it true that while developing the vaccine for rabies Louis Pasteur kept a gun in his laboratory and had instructed all his lab assistants to shoot anyone in the head who accidentally got infected ...
43
votes
1answer
27k views

Does wearing prescription eyeglasses weaken your eyes?

I just recently received my first pair of eyeglasses. My eye doctor stated that contrary to popular belief, that wearing the glasses will not weaken my eyes any further. However my sister-in-law ...
42
votes
2answers
5k views

Is it dangerous to have several vaccines at the same time?

As a parent, I often hear people say that they think it's bad for their children to have several vaccines in one go. Some parents pay for some vaccines to be given separately, and I wondered if there ...
42
votes
4answers
64k views

Can popping a pimple in the facial 'danger area' cause brain infection or death?

This story is currently sitting at #13 on Reddit: TIL that in rare cases, popping a pimple in the so-called "danger triangle" can lead to facial paralysis, brain infections/meningitis, and even ...
42
votes
2answers
5k views

Do hand sanitizers have a negative impact on the human immune system?

Related: Which is more effective at removing germs, washing with soap and water or using hand sanitizers? Does regular handwashing with antibacterial soap prevent disease? I've run across some ...
41
votes
4answers
21k views

Do we lose most of our body heat through our heads?

If you didn't grow up in a tropical climate, you probably heard something like this as a child... Put on a hat before you go out because you lose the most heat through your head. Some say that ...
41
votes
3answers
5k views

Does urine heal jellyfishes' sting?

It is a common myth that, if you're stung by a jellyfish, then pouring urine on the wound is an effective way to treat the injury or ease the pain. That belief is deeply entrenched in the American ...
41
votes
3answers
3k views

Is monosodium glutamate (MSG) bad for you?

Anecdotal evidence blames the consumption of MSG for several symptoms such as headache, nausea, weakness, heart palpitations etc. Most migraine literature cites MSG as a potential trigger (example) ...
41
votes
3answers
2k views

Can positive thinking provide an improved outcome for an illness?

Sometimes you hear that a gravely ill patient "just gave up" and subsequently died. Many people put great value in the healing power of positive thinking, with the more cynical ones blaming a bad ...
41
votes
1answer
4k views

Is refilling water bottles bad for you?

On a lot of bottles of so called mineral water, it is advised not to refill the bottle (with ordinary tap water, or any other drink e.g. cola) as doing so may present a health hazard. Is there any ...
40
votes
1answer
20k views

Can “heart strings break after a deep emotional trauma”?

I’ve come across this on Twitter this morning: https://twitter.com/sammytellem/status/422216032195854336 Now, I really wonder whether this could be true. I tried to do some research and while I’ve ...
40
votes
4answers
5k views

Is it possible to "boost your immune system"?

I often hear claims that some activities, nutrients, ... "boost" your immune system. My understanding of the immune system is that it is a finely tuned machine with enormous destructive power. If ...
39
votes
2answers
6k views

Did Rudolf Steiner prove the contagiousness of varicella in 1875?

Pages like those from the National Vaccine Information Center NVIC or the Centers for Disease Control CDC make the following claim: In 1875, Rudolf Steiner discovered that chickenpox was infectious ...
39
votes
1answer
3k views

Does eating carrots improve your eyesight?

A common belief in Sweden is that carrot improve your eyesight and I was told many times when I was little to eat carrots. Although anecdotaly I have perfect vision without carrot-gluttony. Is there ...
39
votes
1answer
6k views

Is xenoglossy a scientifically verified phenomenon?

It has often been said that people can speak in languages that were not formerly known to them. Arguably the most often recited example of this is in the context of demonic possession. For example, ...
38
votes
1answer
7k views

Does mortality fall when doctors go on strike?

In a 2017 article arguing that inaction is sometimes better than action (the urge to do something often dominates the urge to do the right thing) Tim Harford makes the following comment (I've included ...
38
votes
3answers
17k views

Do we need to clean our ears (remove earwax)?

Last year, I read on a newspaper that a research found that we do not need, or should not, clean our ears as the earwax comes out naturally and sticking in cotton swabs can damage our ears. Is my ...
38
votes
3answers
4k views

Is water fluoridation harmful?

There’s a controversy going around whether the benefits of water fluoridation outweigh the potential harms. What is the evidence for the harm this may cause and what evidence supports the health ...
38
votes
1answer
4k views

Is spontaneous human combustion possible?

An article from Ireland dated January, 2011 shows that spontaneous human combustion (SHC) remains a hot topic among paranormalists. Spontaneous human combustion has been defined as: Spontaneous ...
38
votes
1answer
19k views

Is watching television in the dark harmful to your eyes?

This is obviously related to a few answered questions already here, namely: Does watching television damage the eyes? Is it harmful to your eyes to read in dim light? But the following question is ...
38
votes
4answers
7k views

Can regular cold showers reliably improve health?

I have encountered anecdotal claims that the act of taking a cold shower fairly frequently (e.g. once a day) improves health, or at least, reduces susceptibility to illness. Is there any scientific ...
38
votes
1answer
14k views

Should I cut off black banana ending before eating?

I was always told that I should cut off the black ending of a banana before eating, because it would be dangerous. Sources for this claim can for example be found here (though that source is actually ...
37
votes
3answers
9k views

Are chemicals in plastic causing a significant reduction in fertility?

This story in the Guardian quotes Shanna Swan, professor of environmental medicine and public health at Mount Sinai school of medicine in New York City. She makes a number of claims about the impact ...
37
votes
3answers
2k views

Does circumcision reduce HIV risk?

I've seen numerous claims that circumcision reduces HIV risk, both on TV and online. Have there been any studies to verify if circumcision does or doesn't reduce HIV risk in a statistically-...
37
votes
1answer
19k views

Can you punch someone's nose into their brain?

A persistent tale in martial arts is that one can strike an unfortunate other on the nose in such a way that you drive the cartilege up into their brain. Is this possible? I think some points to ...
37
votes
1answer
7k views

Does one remain conscious after decapitation?

Various articles online claim anecdotal evidence from witnesses that a man's guillotine severed head remains conscious for some time after decapitation (here's an example). Some cite sources that the ...
37
votes
2answers
556k views

Is CPH4 from science fiction movie 'Lucy' real?

In the science-fiction film Lucy, the titular character takes a drug called CPH4 that increases her brain capacity. The writer and director of the film, Luc Besson, claims in several interviews that ...
36
votes
4answers
3k views

Is Non-Celiac Gluten Sensitivity an actual illness or is it another trendy diet?

I've heard a lot of hype lately about Non-Celiac Gluten Sensitivity and seeing people buy plenty of "Gluten-Free" goodies at the local grocery store, I am wondering. Is Non-Celiac Gluten Sensitivity ...
36
votes
1answer
3k views

Can the placebo effect be observed in experiments conducted on animals or babies?

In a paper defending homeopathy, it is argued that the observed benefits of homeopathic treatments cannot be attributed to the placebo effect because the treatments elicit similar benefits when used ...
36
votes
1answer
2k views

Does sexual activity burn a significant amount of calories?

Are there any reviews out there of scientific studies conforming or invalidating the common claim that sexual activity is a good way to burn calories? Have quantitative measurements of work exerted (i....
35
votes
3answers
3k views

Is secondhand smoke dangerous?

There seems to be little doubt in public opinion that second hand smoke is dangerous, and I can see why. But many smokers have claimed to me that it is not dangerous at all and it is all media hype. ...
35
votes
2answers
5k views

Death by lack of sleep -- is it possible?

I had an argument with a friend in college who claimed that it was possible to remain awake with little to no detrimental affects for an arbitrarily long period of time. I am wondering, has anybody ...
35
votes
2answers
7k views

Is duct tape an effective treatment for warts?

HealthTipsSource writes in Natural Ways to Put an End to Moles, Warts, Blackheads, Skin Tags and Age Spots: This is a scientifically proven method of warts removal. In one study, 61 patients with ...
35
votes
2answers
6k views

Has increased computer use led to increased myopia?

According to ABC News and this Ophthalmological study there has been a significant increase in the number of people with myopic eyesight over a recent 30 year period. From the ABC article: There ...
35
votes
3answers
5k views

Are we eating too many carbs? And do we need to switch to the primal/paleo diet?

TL;DR Accepted knowledge is that high carb low fat diet is good. Paleo diet says opposite, the claims seem solid for the Paleo diet but I am still skeptical as Science seems to think that conventional ...
35
votes
2answers
3k views

Does the G-Spot exist?

There's a lot of talk in magazines about a woman's G-Spot. But does it exist? Or is it a trick to keep men searching?
35
votes
1answer
3k views

Is pornography addictive?

I saw the Gary Wilson's talk, The Great Porn Experiment, which states that pornography causes arousal addiction which in turn is supposed to have a lot of negative effects like: ADHD Social anxiety ...
35
votes
1answer
10k views

Does consuming different types of alcohol make you more sick than others?

A common saying about drinking is this: Beer before liquor, never been sicker. Sometimes this is followed by: Liquor before beer, you're in the clear. Is there any merit to this? Assuming ...
34
votes
7answers
4k views

Is cancer a man-made disease?

Not too long ago a story about a study examining mummies for the prevalence of cancer caused a flurry of articles in the media claiming that cancer is a man-made disease. The researchers claim that ...
34
votes
4answers
6k views

Is warm water more effective than cold water for washing one's hands?

When washing my hands, I was always told to use warm soapy water. However, is there any chemical or biological reason why warm soapy water is more effective to cold soapy water when trying to ...
34
votes
1answer
22k views

Will a small cut heal faster when "aired" periodically, or should it always be bandaged?

I've been told to take the Band-Aid off a small cut every once in a while in order for it to heal faster. Is this good advice, or should I try to keep it covered as much as possible?
34
votes
1answer
2k views

Is potassium iodide useful in preventing the harmful effects of radiation?

The Los Angeles Times reports sales of Geiger counters and potassium iodide in the United States are skyrocketing: Sales of Geiger counters and potassium iodide supplements that can block some ...
34
votes
2answers
46k views

Length of uncoiled human DNA

I recently came across this fact: There's enough DNA in the human body to stretch from the sun to Pluto and back. A couple of "Bollocks!" alarms began to chime in my head. While I expect that it ...

1
2
3 4 5
25