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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Can Propolis+B. monnieri help in treatment of glioblastoma?

I have read in Nature Scientic Reports that: Propolis in combination with B. monnieri shows promising anticancer activity for the treatment of glioblastoma Propolis is a mixture of tree and shrub ...
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4answers
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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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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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1answer
483 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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3answers
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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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233 views

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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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 ...
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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 ...
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1answer
579 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,...
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549 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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1answer
478 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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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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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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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 ...
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1answer
386 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
372 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 ...
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395 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 ...
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424 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, ...
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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 ...
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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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306 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
473 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 ...
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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 ...
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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
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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 ...
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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 ...
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2answers
783 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 ...
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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 ...
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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 ...
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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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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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1answer
546 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.
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Does milk worsen the amount of mucus in the lungs for Cystic Fibrosis?

For those that are not aware, Cystic Fibrosis is a genetic disorder that affects cardic and digestive ability by damaging internal organs such as the liver and stomach (by removing the ability to ...
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Is moist heat therapy preferable to dry heat for pain relief due to arthritis, myofibrosis, back pain, muscle strains and spasms?

https://www.amazon.com/Chattanooga-Original-Hydrocollator-Therapy-HotPac/dp/B01ALJE8J8 (mirror) claims: Benefits of moist heat therapy over dry heat are well established for pain relief due to ...
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1answer
454 views

How effective are face masks? [closed]

Actually, all the countries worldwide are discussing policies about face masks. Masks were, up to now, mainly used by surgeons, and now, all medical workers are working with masks. In Switzerland, my ...
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538 views

Will bacteria grow in filtered water?

Zero Water makes water filtration systems that they claim remove 99% of total dissolved solids from water. On the Water is the New Gold blog, a water-filter scientist warns against its use: More ...
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1answer
661 views

Do the symptoms of autism resemble mercury poisoning?

This prevalent meme image claims that mercury poisoning and autism have similar symptoms. (Presumably it is intended to imply that vaccines containing mercury cause autism, but that isn't what this ...
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2answers
695 views

Were the Skripals attacked by use of Novichok?

According to Wikipedia quoting The Guardian, Sergei and Yulia Skripal were poisoned with Novichok, an organophosphate nerve agent in March 2018. For me, there is a problem : the Skripals showed ...
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1answer
610 views

Did Jeffry Epstein kill himself? [closed]

Barbara Sampson, the New York City's Chief Medical Examiner, ruled that Epstein's death was a suicide by hanging. Given the broken bones found in Epstein's neck, and the plethora of circumstantial ...
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340 views

Has the polio vaccine used in India from 2005 onwards caused hundreds of thousands of cases of paralysis?

This study from 2018 establishes a strong correlation between the introduction of a new version of a polio vaccine in 2005 in India and a very high number of Non-Polio Flaccid Acute Paralysis (NPAFP) ...
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1answer
503 views

Did a group of monkeys steal SARS-CoV-2 positive blood samples from a health care worker in India?

An article from Reuters claims that a health care worker in India was assaulted by a team of monkeys and robbed of the blood samples that he was carrying: LUCKNOW, India (Reuters) - A troop of ...
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1answer
381 views

Does wearing face masks eliminate the risk of spreading COVID-19 by 98.5%? [duplicate]

From The Telegraph: Face masks should be mandatory on planes and trains as it reduces coronavirus spread by 98.5 per cent, the Chief Executive Officer of Ryanair has said. Michael O'Leary told BBC ...
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2answers
585 views

Are there artificially created viruses that are both deadly like Ebola and transmissible like the common cold?

A popular YouTube personality, Dr. John Campbell, a retired nurse teacher, makes a claim in a May 4th video around the 4m27s mark: Now let's be quite clear. No-one is saying [SARS-CoV-2] is a ...
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1answer
828 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 ...
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207 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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306 views

Do cell-phone levels of radiofrequency radiation cause oxidative stress to rats' brains?

I've been given a link to this 2019 study Effect of 900-, 1800-, and 2100-MHz radiofrequency radiation on DNA and oxidative stress in brain as evidence for some 5G nonsense conspiracy theory. Even if ...
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1answer
1k views

Will homemade facemasks using vacuum bag filters cause lung irritation?

In this YouTube video A Doctor Explains How to Make the Safest Face Mask, a doctor, and then his wife, talk about 'the safest' home-made face mask. (He disclaims that it has been tested, but says he ...
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On the impact of (non ionising, non visible) EMF radiation on the human body: should we be worried about widespread 5G implementation? [duplicate]

I decided to do some research on the topic and found these two articles listed on google scholar (i have the PDFs, and can share them if you tell me how to!). https://www.sciencedirect.com/science/...
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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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1answer
331 views

Which data are correct for the number of SARS-CoV2 positive tests in France on April 4?

The data published by the John Hopkins University report a sharp spike in new detected cases of SARS-CoV2 infections in France for two days ago (April 4), with 25000 new people tested positive in one ...

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