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

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18
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1answer
32k views

Is drinking while standing unhealthy?

In Quora there is an answer that states: Scientifically, drinking while standing lets water hit the lower part of the esophagus strongly, & by time this leads to a dilation and relaxation of ...
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Is Xylitol Carcinogenic?

An article on WebMD states that "extremely" high doses of xylitol might cause tumors: There is some concern that extremely high doses for long periods of time (more than three years) might ...
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3answers
5k views

Has HIV ever been isolated?

In particular I am interested with one specific claim made by Jody Wells Memorial Prize. Is his claim true and reasonable? I'll explain what I mean by reasonable latter. The organisers of the Jody ...
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2answers
442 views

Has SARS-CoV-2 been purified in a lab? If not, does this imply that the PCR test for it is not specific?

Dr. Sam Bailey gives a number of references in her YouTube video on PCR tests stating the virus has never been purified as in actually separated from the infected cells. I'm curious if this is ...
8
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1answer
534 views

Is it dangerous to give cow's milk to a baby before their first birthday?

There's a common belief that it's "dangerous" to give cow's milk to a baby before he or she is 12 months old. Numerous sites say to avoid giving cow's milk to babies under 12 months, however,...
10
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1answer
1k views

Does Xylitol Need be Ingested to Reduce Tooth Decay?

In her book, Kiss Your Dentist Goodbye, Ellie Phillips DDS recommends wiping a baby's teeth with xylitol enriched baby wipes to reduce tooth decay: For added protection and to ensure your baby's ...
4
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1answer
317 views

Did “the” (or a) European Court declare that Covid-19 PCR tests are “not fit for purpose”?

In a long video denying the validity of Covid-19 PCR tests, it's stated at one point (15:17), without much context that the European court declaring that Covid-19 tests are "not fit for purpose&...
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0answers
78 views

Does Spry Xylitol chewing gum reduce tooth decay?

Spry Xylitol Chewing Gum is "dentist recommended" (to reduce tooth decay) according to the label. It also recommends to use it "five times a day for better oral health". IMPROVES ...
4
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1answer
452 views

Does Milk Protect or Harm Your Teeth?

In the book Kiss Your Dentist Goodbye, Ellie Phillips DDS recommends ending each meal with a "tooth healthy" food such as milk or cheese which neutralizes acid loving bacteria that ...
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0answers
275 views

Did SARS-CoV-2 appear in some (Mojiang) Chinese miners in 2012?

The N.Y. Post wrote in August 2020: In April 2012, six miners in the Mojiang mine in southwestern China’s Yunnan province fell ill after spending more than 14 days removing bat feces. Three ...
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117 views

Do N95 respirators help prevent the spread of COVID-19 from infected health care workers?

One of the most politicised scientific issues of 2020 was the question about whether face-masks stop the spread of COVID-19. I trust we can agree that this is notable without requiring specific ...
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51 views

I found an article that says masks don’t work. Are they right? [duplicate]

In my search to find out if masks protect wearers against contracting COVID-19, I stumbled across an article that claims masks do not work. This is the article in question: Masks Don’t Work: A Review ...
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0answers
87 views

Is it better to let a cut breathe or cover it with a bandage? [duplicate]

"Its just a flesh wound!" .. I tried to google what was better, to bandage a cut, or to leave it exposed to air to breathe and what would heal better. I got mixed results. A (health....
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0answers
98 views

May wearing masks cause increased carbon dioxide [duplicate]

This piece of news of the BBC says that there is not evidence to ascertain whether wearing masks can cause hypoxia or CO2 poisoning. However, I understand that the article Carbon dioxide rebreathing ...
1
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1answer
366 views

Is this study on the dangers of vaccines peer reviewed?

When discussing vaccines with a friend, they brought up a study: Analysis of health outcomes in vaccinated and unvaccinated children: Developmental delays, asthma, ear infections and gastrointestinal ...
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2answers
345 views

Did Nancy Pelosi call herd immunity “quackery”?

There are a number of news sources quoting Nancy Pelosi referring to herd immunity as "quackery": “It becomes clear to us now that they believed in herd immunity, quackery, springing right ...
6
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1answer
825 views

Can I get high by snorting chocolate?

Ok, I understand this sounds ludicrous but people are claiming you can get high by snorting chocolate: Unlike alcohol, meth, cocaine, speed and even drugs like LSD and psilocyben [sic], the newest ...
12
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2answers
1k views

Is the British Medical Journal largely funded by vaccine manufactuers?

I was sent an article from Natural News and am trying to check the claims [1]. One of them is as follows: The British Medical Journal also failed to disclose that its own finances are largely ...
23
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3answers
20k views

Was the virus which causes COVID-19 made in a Chinese lab? [closed]

This idea was discussed in the Washington Times (no longer available at the original site: on archive.org. The article discusses whether SARS-CoV-2 (the virus which causes COVID-19) could have been ...
18
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1answer
5k views

Does drinking while eating impair digestion?

I have read many blogs and forums that either say eating and drinking at the same time is safe, good for you or bad for you. No sources are ever cited on any of the sites. Does research exist to ...
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0answers
388 views

Are the lockdown methods implemented for COVID-19 unprecedented? [closed]

The The Great Barrington Declaration and it's FAQ make several claims that fly in the face of our approach to this pandemic. The declaration, when read in it's entirety, states lockdowns are not a ...
17
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1answer
1k views

Is using glasses for reading harmful for people with myopia?

According to Wikipedia article about Myopia: Large amounts of near work while wearing glasses can be very detrimental to the eyes and can be a cause of worsening nearsightedness. The best way to ...
3
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1answer
418 views

Is the Great Barrington Declaration unscientific? [closed]

The Great Barrington Declaration is a statement written and originally signed by 3 top professionals from highly respected institutions (now signed by some 1000's of medical professionals globally, ...
83
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1answer
11k views

Does continuous drinking of lemon juice have any negative effect on bones?

I came across a blog post from a beauty blog titled Beware: Lemons Can Harm You In Ways You Didn't Know. [Archived Page] One of the points mentioned was The continuous use of lemon juice can actually ...
32
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1answer
9k views

Was Eddie Van Halen's tongue cancer caused by metal guitar picks?

Eddie Van Halen was diagnosed with tongue cancer in 2000. He attributed the cancer to his habit of holding metal guitar picks, made from brass and copper, in his mouth. He was declared cancer-free in ...
10
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1answer
19k views

Does crossing your legs have bad health effects (short or long term)?

Sometimes when I cross my legs, my leg goes numb. This also happens when I sit, "Indian-style". Googling for "don't cross your legs" results in a page proclaiming, People who are habitual leg-...
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1answer
1k views

Does flu vaccine make us more vulnerable to COVID-19?

There are some claims that the flu vaccine injection has a positive correlation with COVID-19 death rate. For example, the anti-vax site Home Vaccine Education Network says: What connects the ...
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0answers
305 views

Does wearing spectacles protect you from covid?

Yet another surprising study on things that make a difference to the risk of covid has appeared. This one claims, to quote the report in LiveScience: People who wear eyeglasses may be at lower risk ...
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2answers
466 views

Are people receiving spontaneous gold dental prostheses without dentist intervention?

Claims of unexpected and spontaneous fillings or full restorations of teeth with gold are not unheard of in many faith healing services and other religious gatherings. For example, in a video recorded ...
46
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2answers
7k views

Is Adrenochrome an addictive drug only obtained by drinking blood?

One of the core beliefs of QAnon is that some people are addicted to adrenochrome that can only be obtained by drinking the blood of frightened victims. Sean Morgan, author of a QAnon FAQ, talks about ...
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1answer
6k views

Did a prisoner die from a needle prick when he was told that it was a snake bite?

I read somewhere that there was a prisoner facing a death sentence sometime before the 1950s, on whom a psychological experiment was conducted. Experiment: He was blindfolded and told that he would be ...
32
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2answers
11k views

Do people carry around up to 20 lbs (9 kg) of poop?

The claim from this site: It’s been said that the average American carries around between 5-20 extra pounds of poop in their intestines. It's hard to believe it's true. Is there a medical evidence ...
12
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1answer
890 views

Is the Eye of Horus symbol based on the human brain?

The Eye of Horus is an ancient Egyptian symbol and hieroglyph (𓂀). A thread on the site International Skeptics Forum introduces a claim found on Facebook: The following image shows the Egyptian Eye ...
16
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2answers
759 views

Does water therapy provide measurable benefits to childbirth?

I recently watched the trailer for The Business of Being Born, which included the following quote: "The presence of Doulas; using water during labor; these things have been scientifically shown to ...
6
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2answers
857 views

Is a face shield as effective as a face mask?

On a CDC web page dated August 7, 2020, they warned against the use of face shields as an effective method to stop COVID-19, due to a lack of evidence. There is currently not enough evidence to ...
8
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1answer
591 views

Does Earthing Therapy reduce cortisol secretion and help sleep?

Earthing Therapy involves "earthing" and "grounding" the human body by electrically connecting it to the ground. In the book Sleep Smarter, by Shawn Stevenson, he claims there is research that says ...
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2answers
781 views

Will Coronavirus be present “forever in some form or another”?

Today there was an article on comments from Sir Mark Walport (part of Sage, the UK government’s Scientific Advisory Group for Emergencies) on the BBC that said that coronavirus would not go away and ...
49
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1answer
14k views

Do studies show that viruses are contagious?

An acquaintance of mine has been very adamant that viruses can't be caught and continues to link me things like this Ickonic video, where Jaymie Icke interviews Dr. Andrew Kaufman M.D. who claims: I ...
66
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2answers
9k views

Do the majority of doctors in the USA support hydroxychloroquine use for covid-19?

The Claim Scott Adams recently made the claim that the majority of doctors in the USA support the use of hydroxychloroquine. Normally a cartoonist's podcast would not be a notable source for a claim, ...
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3answers
20k 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 ...
15
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3answers
5k views

Does the ripeness of a banana have any effect on causing constipation?

In this Parenting SE question there seem to be two opposite claims made: A +7 answer claims that banana ripeness has no effect on constipation (I'm leaving aside the second, obvious claim that ...
5
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0answers
373 views

Are vapers more likely to catch COVID-19?

Recently a number of reports have surfaced claiming that vaping radically increases susceptibility to COVID-19 infection among the young. For example, Sky News reports: Teenagers and young adults who ...
1
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1answer
821 views

Is hydroxychloroquine proven to reduce the need for hospitalization for Covid-19?

In a study, linked here, a Brazilian institute says that hydroxychloroquine associated with azithromycin is associated with reduced hospitalization rate when given quickly to people showing symptoms ...
11
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2answers
2k views

Is hydroxychloroquine + zinc + antibiotics an effective treatment for COVID-19?

It's often claimed, for example, in this Spectrum News report that a drug combination of hydroxychloroquine and zinc and antibiotics is an effective early treatment for COVID-19. Researchers at NYU's ...
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3answers
6k views

Will eating a lot of junk food shorten your life expectancy?

I just ate an entire medium pepperoni pizza for dinner and my roommate started lecturing me on how I'm gonna die in my 30s. Does eating fatty and sugary foods make your life any shorter?
25
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1answer
2k views

Can scaring a person cure hiccups?

There is a popular belief that scaring a hiccuping person would cure the hiccups. Is it true?
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2answers
11k views

Are most humans infected with parasites that water fasting can eliminate?

So this is a new one for me... I came across a jaw dropping niche of health-woo today. Apparently tens of thousands of people (if not more) believe that almost all humans are infected with parasites ...
0
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1answer
544 views

Do doctors recommend that ears should be checked annually?

In a Business Insider video about a procedure for removing excess earwax, the subtitles claim: Doctors recommend getting your ears checked annually. I've never heard of this before.
16
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2answers
8k views

Has the synthetic bacteria Synthia become a rogue flesh-eating disease?

I spotted this on Facebook: Cynthia [sic]: Flesh-Eating Synthetic Bacteria that has Gone Wild In 2011, Cynthia was unleashed in the Gulf of Mexico and in its initial stages of life it was ...
16
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1answer
1k views

Was very little or no new medication developed in the USSR?

Prof. Robert (Haim) Belmaker, head of the Israeli Psychiatric Association, spoke today (2018-01-05) on the סדר יום / Daily Agenda radio program (Note this is a program in Hebrew). At some point in the ...

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