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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21
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1answer
1k views

Is there evidence that glucosamine can help repair joints?

I have heard conflicting views on how effective glucosamine is in treating joint problems. For example here you can see a claim being made about stimulating cartilage growth and curing arthritis. ...
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Does gargling salt water reduce incidence of flu?

Many of the more dubious health sites promote gargling salt water (or peroxide) and swabbing the nasal cavity as a 'natural' prevention for catching the 'flu. Is there any science behind this? I ...
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Are neanderthal skull fossils just skulls of very elderly humans?

Some people claim that the fossils that have been generally classified as Neanderthal are actually human, and in particular, humans who have lived to a very old age - i.e. two or three hundred years ...
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3answers
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Do people exposed to high levels of radiation pose any risk to their children or other individuals?

An article from the Los Angeles Times regarding the concerns of individuals who live near the Fukushima I Nuclear Plant that appeared in my local newspaper this morning contained this interesting ...
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1answer
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Is brown sugar healthier than white sugar?

I've heard that before. The reasoning is, "White sugar is more 'processed' than brown sugar, so it's not as healthy." Is this true?
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Is placing a tea bag at the site of wisdom tooth extraction beneficial?

I have heard this on multiple occasions at the dentist and a quick search lists dentist after dentist telling patients to do this. For example: These facial surgeons recommend: If bleeding ...
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2answers
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Is sucking thumbs unhealthy?

It is "common" knowledge that sucking your thumb (for little kids) is a "bad habit. Is there any truth to this, and is it just a bad habit or actually unhealthy for you?
15
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1answer
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Can you get high from second-hand marijuana smoke?

It has been widely claimed that the dosage levels of psychoactive drugs from second-hand marijuana smoke is insufficient to have an effect - i.e. to give a "contact high" Opposing Views The notion ...
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795 views

Is the US Newborn Mortality Rate higher than 40 Countries?

There is a lot that goes into a statistic that can go wrong, between collection, data, etc. This makes me rather skeptical of claims like the following: US Newborn Mortality Rate Higher than 40 ...
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Is nicotine a relatively safe substance?

I've always thought that nicotine has really bad health effects. Interestingly enough, I've found the following statement on the website of one of the major Nicotine Replacement Therapy products ...
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Are sports drinks more effective at hydrating athletes than water?

A FiveThirtyEight article, You Don’t Need Sports Drinks To Stay Hydrated challenges that sports drinks help prevent dehydration or increase exercise and performance better than water. It claims that ...
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2answers
724 views

Does physical exercise control diabetes?

I've heard from many people that physical exercise controls or prevents diabetes. Is there any studies that confirm or deny this? Does physical exercise control diabetes?
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Is it bad to wash your face with regular soap?

According to many websites, the skin on our faces are very delicate. As such, regular soap (bar soap, body wash soap or any bathing cleanser not specially designed for washing the face) may cause ...
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Does sweating help to cure the flu

Many people advise you to put some warm clothes on, get under the blankets and sweat a lot to help cure flu/fever. On one hand there is a lot of opinion on the Internet saying that it does not work, ...
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1answer
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Is bamboo charcoal safely edible?

Bamboo charcoal is made up of pieces of bamboo, which are taken from plants five years or older and burned inside an oven at temperatures over 1000°C. Bamboo charcoal is well known about its high ...
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Does visualization improve focus and goal achievement?

A number of self help authors teach some kind of variation of visualization techniques to help with focus and/or goal achievement. David Allen's "Getting Things Done" dedicates part of the book to ...
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1answer
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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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2answers
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Are there large scale studies investigating relationship between IQ and autism spectrum disorders (especially Aspergers)?

There's a lately-somewhat-widely held belief that there's a strong correlation (and to a certain extent, a fairly obvious causation) between Asperger's syndrome (or Autism spectrum disorders in ...
8
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1answer
662 views

Can products labelled "homeopathic" in actuality contain active ingredients?

Tecnu is a treatment for poison oak. They claim it acts by removing urushiol, the oil that causes the irritation. I saw it recommended in numerous places, e.g., guidebooks, by people who seemed to ...
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3answers
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Does "Plan B" (Levonorgestrel) prevent implantation of fertilized eggs?

A common claim made by those who consider contraceptives abortifacients is that "Plan B" (Levonorgestrel) may work by preventing implantation of fertilized eggs. For example, this answer points out ...
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1answer
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What are the chances of female-to-male HIV transmission during straight sex?

I am really confused about this matter. I've heard a lot of versions from doctors and on internet. To be more specific: A pathologist that claimed to have worked with HIV positive patients for 10 ...
4
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1answer
731 views

Does too much deuterium clog up our mitochondria?

I recently came across a strange idea that appears to be popular in the biohacking and alternative health community. The essence of it is that many of the ills of modern life are cased by a buildup to ...
26
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2answers
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Can using an air conditioner while sleeping be harmful?

When I used to live in Japan, the summers were really too much for me, especially when going to bed. The strange thing is that all the (Japanese) people would strongly advise me against leaving the ...
24
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1answer
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Do Japanese people have a lower body temperature than caucasians?

I heard from a Japanese person that Japanese people have a lower body temperature than caucasians. Is this the case? Examples from the internet of people discussing claims that Japanese people, or ...
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3answers
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Does Burzynski have a miracle cancer cure being suppressed by the FDA?

I received this Mercola announcement for the movie, Burzynski about Stanislaw Burzynski's (allegedly) amazing cure for cancer, which uses antineoplastons. The Mercola article claims some fairly hefty ...
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3answers
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Is AllergyEZ a validated treatment for allergies?

My girlfriend is excited about an allergy treatment she's about to undergo. The product is sub-lingual allergy drops with the brand name "AllergyEZ." She's told me that her allergy doctor has told ...
21
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1answer
537 views

Are pediatricians immune to common communicable diseases?

This morning, our pediatrician cited "a study" where novice and seasoned pediatricians were tested for immunity to common communicable diseases (cold virus, strep bacteria, etc). He said that the ...
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1answer
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Are activities in which both people bleed on each other considered "No Risk" for the transmission of HIV?

My friend, who was a HIV care provider, claims explicitly that "no one has ever transmitted HIV through wound to wound contact" and that therefore there is no significant risk to hockey players ...
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Have any "cures" been invented since the 1950's or so? [closed]

A well reputed professor of neurology once mentioned to me that no drugs have been invented to cure human afflictions since the 1950's or 60's. Are there any drugs that have been invented since that ...
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Are 10% of mental health problems caused by abortion?

A recent meta review (mentioned in some articles in the media, e.g. The Telegraph or CBS News) examining the association between abortion and mental health problems "Abortion and mental health: ...
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2answers
650 views

Does taking a contraceptive pill increase your chance of getting cancer?

It is a common thing to hear among women discussing contraception, and in the press: A 45 per cent increase in the disease was found among women who had been taking the second generation Pill for ...
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2answers
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Is the Fukushima disaster causing an increase in infant mortality on the west coast of North America?

Here we've got a claim that infant mortality in select US cities on the west coast has increased by 35% since the nuclear meltdown. This claim is based on two data points: 4 weeks ending March 19, ...
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2answers
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Can dogs detect human cancer?

I heard several times that dogs could detect cancer before it was detected by humans. Can Dogs Smell Cancer? There are many published studies that prove dogs can detect cancer through breath ...
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What is the latest scientific consensus on megadoses of Vitamin C?

Vitamin C megadoses were first championed by extraordinary chemist and physicist Linus Pauling, I believe, and as prescription for good health they gained by association with him. I have read ...
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2answers
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Does Sensodyne Toothpaste reduce teeth sensitivity?

The manufacturers of Sensodyne toothpaste claims their products "helps relieve the pain of sensitive teeth", using the active ingredients of (either) Strontium Chloride or Potassium Nitrate Does ...
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2answers
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Do essential oils safely and effectively treat constipation, stomach aches and fevers?

My wife was encouraged to try several doTERRA "essential oils". She's convinced (through anecdotal evidence and perhaps the placebo effect) that different oils have been effective in treating "...
14
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2answers
907 views

Are antipsychotic drugs vastly overused in the US?

A recent opinion piece in Al Jazeera titled "Mass psychosis in the US" claims that antipsychotic drugs are overused in the US, mostly due to the influence of "Big Pharma" which is pushing new atypical ...
14
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1answer
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Did Lance Armstrong use EPO?

Lance Armstrong has recently been "stripped" of his Tour de France titles by the USADA. They state, among other allegations: (1) Use and/or attempted use of prohibited substances and/or methods ...
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1answer
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Is it dangerous to wake a sleepwalker?

Source It seems to be a common belief that you should never wake up a sleepwalker From Wikipedia - Sleepwalking: There are conflicting viewpoints on whether it is harmful to wake a sleepwalker....
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1answer
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Is fever (temperature) below 106° F harmful?

Parents and pediatricians rush to treat low grade fever with acetaminophen and other powerful pain killers. Medical researchers refer to the over zealous treatment of non hazardous fever as fever ...
11
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1answer
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Can a metal plate in the head stop a bullet?

Spoiler alert for those who haven't seen the movie Faster. There is a scene in the movie where the character played by Dwayne "The Rock" Johnson is shot in the back of the head by Billy Bob Thornton ...
11
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1answer
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Is the hydrogen peroxide therapy harmful?

I'm receiving advertising (from my friends) about hydrogen peroxide therapy (oxygenated water, I think). They affirm that this treatment is a low-cost therapy based on a natural oxygenating ...
11
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1answer
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Is Turmeric better than prozac to treat depression?

We can find online several websites promoting phytotherapy, which claim that Turmeric (Curcuma) is as effective as Prozac for treating depression, and without its side effects, for example this one, ...
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1answer
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Does dipping a fly into food/drink prevent food poisoning?

It's a common knowledge that if a fly falls into your food or drink, you probably shouldn't drink it because it might cause food poisoning. This might be a myth itself but that is not what I'm ...
10
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1answer
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Did Nikola Tesla work on "healing machines"?

If so, what were they proven to do? I've heard this sometimes confused with Lakhovsky's MWO. Are there any primary sources of his work on "healing machines" and coils/tubes that eradicate ...
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2answers
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Is there any benefit to placing a silver spoon in a water carafe?

A lot of people in USSR used to place silver spoons into containers with water. The exact benefit/mechanism was generally not defined other than "avoid contamination", but was frequently implied to be ...
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2answers
896 views

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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2answers
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Are cigarettes addictive?

At least one person has published alleged doubts about whether cigarettes are addictive, with their doubt/claim being supposedly backed by at least one scientific study. Is this a reasonable question ...
8
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695 views

Do workplace smoking bans reduce the number of heart attacks?

There is a lively debate on the health impact of passive smoking (other questions on skeptics.se are here Does passive smoking kill 600,000 people every year? and here Is secondhand smoke dangerous?). ...
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492 views

Is AD/HD over diagnosed within the US

It's a very common claim that ADHD is over diagnosed, or even doesn't exist; and in particular I've heard claims that AD/HD is over diagnosed within the US since it's diagnosed more often in the US ...

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