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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1answer
651 views

Do African countries using Ivermectin have a better Covid-19 situation?

In the great Ivermectin debate, one frequently mentioned argument on the pro-side is a comparison among African countries. They argue that a set of countries in Africa having significantly lower cases ...
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1answer
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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 ...
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Is thyme antiviral?

Lots of sources claim that thyme has antiviral properties, kills off viruses, "should be taken at first sign of a cough or cold" etc. How supported by evidence are these claims? https://www....
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3answers
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Is the COVID-19 vaccine 50 times more likely to kill young people than COVID-19 itself?

Michael Yeadon, a former vice president at Pfizer and lately known as, e.g., making unsubstantiated claims about covid vaccinations, has made the claim in question in a video interview (archived ...
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Are there vaccine ingredients which may not be disclosed ("hidden", "trade secret", or similar)?

I sometimes encounter people claiming that there are ingredients in vaccines that can be kept secret by the manufacturer. I would be surprised to hear this, because the manufacturers have to conduct ...
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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 ...
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1answer
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Does Honey Promote Tooth Decay or Prevent It?

Both honey and sugar are comprised of a combination of glucose and fructose. In sugar glucose and fructose are bound together to form sucrose while in honey glucose and fructose exist independently of ...
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1answer
833 views

Does Sipping Soda Through a Straw Prevent Tooth Decay?

It is well known that sugar causes tooth decay by feeding harmful bacteria in the mouth. An article on webmd states that "sipping soda through a straw may cut cavities": Using a straw when you ...
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6answers
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Does circumcision lead to a net increase in quality of life?

I was recently surprised to learn that many Americans have been circumcised even though their parents had no religious motivation to go through with it. This in strong contrast with my home country ...
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Is the COVID-19 vaccine highly unlikely to prevent infection a year after inoculation?

Vincent Racaniello (Professor in the Department of Microbiology and Immunology at Columbia University's College of Physicians and Surgeons) wrote a blog in which he states “It’s highly unlikely that ...
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Can you breathe underwater using bubbles of air?

A very popular videogame character, which is famous for his sonic speed, is depicted breathing underwater by using air bubbles. Now since I've never heard anyone complaining about this, despite the ...
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Do pregnant women "glow"?

In fiction it's as common as dirt to hear "you're glowing" as a response to news that someone is pregnant or an indication of it without it being said. This doesn't seem to be limited to just ...
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1answer
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Did astronauts or cosmonauts have sex in space?

The Guardian: US and Russian astronauts have had sex in space for separate research programmes on how human beings might survive years in orbit, according to a book published yesterday. Pierre Kohler,...
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Pirates with a prosthetic hook: Lore or Truth?

Was it common practice for pirates to replace a lost hand with a prosthetic hook? Or was this lore perpetrated by fiction and Hollywood? It does seem like a reasonable choice, since a hook is a ...
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When the WHO/CDC/NIH recommended wearing cloth masks, did they cite any scientific paper supporting their effectiveness?

Background The Association of American Physicians and Surgeons asserts that cloth masks are not a way to meaningfully protect someone against COVID-19 nor against source-control. According to their ...
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Do vaccines against childhood diseases leave the immune system less capable of fighting cancer?

I recently saw someone post this NSFW screenshot image about vaccines in a discussion about the COVID-19 outbreak. It is a screenshot from this NSFW 4chan thread. The anonymous poster argues that ...
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Human regeneration of limbs with pig's bladder [duplicate]

This article claims that a pig bladder was used to regenerate a finger: https://humanlimbregeneration.com/man-regrows-finger-tip-with-pigs-bladder/ There are actually quite a few articles on the web ...
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Do saunas affect your health?

With James Ray being found guilty of culpable homicide over three fatalities in a sweat lodge in Arizona, I was wondering if saunas really do benefit your health? Does it effect your skin, heart, ...
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1answer
646 views

Are these videos showing bats in a Wuhan lab for SARS‑CoV‑2 research?

A friend of mine brought this video to my attention. At 0:51, journalist Sharri Markson claims As you can see, this video shows bats in a cage at the Wuhan Institute [of Virology] This contradicts ...
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4answers
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Are deaths "skyrocketing" due to vaccination?

I was sent the following link by a friend and they were concerned that someone was passing it around on Twitter. What would be some good refutations for its content? Infowars: Vaccine Deaths And ...
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1answer
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Does this article make a valid claim that SARS-CoV-2 isolation hasn't been demonstrated yet? [duplicate]

This is the article: Lordchewy: "Exposing the Core Tenets of the Covid 1984 Regime, Part 2: Koch’s Postulates, Lack of Sars Cov 2 Isolation and of its Presence in Autopsy Reports", Medium, ...
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Does the FDA not pull life-threatening devices?

From an Associated Press article titled "Patients shocked, burned by device touted to treat pain" (emphasis added): The investigation also found that the FDA — considered by other countries ...
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4answers
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Was the virus which causes COVID-19 made in a Chinese lab?

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 ...
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4answers
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Do COVID-19 vaccines cause two deaths for every three deaths they prevent?

There is this new study that came out, alleging, that COVID-19 vaccines cause two deaths for every three deaths they prevent, which sounds pretty bad. I was wondering how valid this analysis is and ...
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1answer
733 views

Did Hippocrates make a statement similar to "like cures like"?

A number of homeopathic websites include the quote, "By similar things a disease is produced and through the application of the like is cured," but not one of them gives a source for the ...
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Is Finitro Forte Plus an effective treatment for arthritis?

This advertisement for a product says (French original, followed by my translation into English), Finitro Forte Plus montre des résultats surprenants dans le traitement de l'arthrite, de l'arthrose ...
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1answer
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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 ...
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1answer
421 views

Does this medical study prove that wearing gold is harmful? [closed]

So I have this article that was sent to me by a friend of mine and it pertains to a ruling in the Quran (that declares that silk and gold are forbidden for men to wear). So the article claims that ...
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Are sperm counts in men decreasing significantly?

It is widely believed that sperm counts in men are suffering a significant decline over the last century (e.g. see this article in the Independent which assumes the decline is happening and the only ...
87
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4answers
14k views

Does drinking diluted chlorine dioxide protect against COVID-19?

I read a bit about drinking diluted chlorine dioxide (e.g. 12mg/L) as a supposedly protective means against COVID-19. Apparently it is a widespread belief in Latin America, especially on social media, ...
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1answer
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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 ...
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1answer
532 views

Does a high BMI increase COVID-19’s severity?

I have been reading in the press about how being obesity can increase the severity of the disease. An article in Wired, Covid-19 Does Not Discriminate by Body Weight (17 April, 2020), seems to ...
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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
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Are there medical reasons for not being able to wear a surgical mask?

In countries with a mask mandate due to high COVID-19 incidences there is often some side rule in effect where you can get a medical certificate if you have some medical condition that would ...
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1answer
300 views

Does a vaccine provide additional protection to a previously infected and recovered patient? [closed]

The change in literature I've observed during the covid-19 pandemic is certainly prompting this question, but I think the question can be answered broadly in terms of immunology, which does have ...
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5answers
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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 ...
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2answers
683 views

Does SARS-CoV-2 infect via asymptomatic transmission? [closed]

In this video, Dr Sam Bailey, along with Dr Robin Wakeling, state that there is no evidence for asymptomatic or pre-symptomatic transmission of SARS-CoV-2. (She also claims there is no evidence for ...
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2answers
894 views

Is the incidence of CVST in vaccinated persons any higher than would be expected normally?

US health authorities are calling for a pause in the use of the Johnson & Johnson Covid-19 vaccine, after reports of extremely rare blood clotting cases. The Food and Drug Administration (FDA) ...
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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 ...
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6answers
9k views

Do mobile phones have anything to do with brain cancer?

Is there evidence for a correlation between the use of mobile phones and the occurence of brain cancer? If yes, is there also evidence for causality?
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Is Lyme disease a global pandemic?

Avril Lavigne posted a video on Facebook featuring some celebrities talking about Lyme Disease. At the 0:13 mark, American singer/song-writer, Bebe Rexha, claims: Lyme disease is a global pandemic, ...
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1answer
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Does carrot juice cure cancer?

Ann Cameron, author of “Curing Cancer with Carrots”, claims that her cancer was cured by carrot juice, and recommends it as a treatment to others, as a potential substitute for chemotherapy. I ...
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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 ...
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1answer
8k views

Do Gunnar Glasses reduce eye strain?

In my RSS feeds today, I got an article named Gunnar Glasses Reduce Computer Eyestrain, Are 75% Off for the Next Two Days which links to a previous article about their benefits: Gunnar's website ...
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5answers
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Is inhaling helium dangerous?

Inhaling helium and talking with a funny voice used to be a great party trick for chemists with access to it and has now become more popular as helium supplies have become accessible for filling ...
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1answer
629 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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1answer
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Does green tea help with dental hygiene?

This Youtube video claims that green tea "is the best mouthwash", citing various medical studies that claim that green tea is more effective in reducing dental bacteria than various standard chemicals....
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3answers
1k 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 ...
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Is bruxism (teeth grinding) linked to parasitic infection?

There seems to be the common conception that bruxism (teeth grinding and jaw clenching) is a symptom of parasitic infections. For example, this article by a dentist: Sometimes teeth grinding is ...
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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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