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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Is GcMAF effective against Cancer and Autism?

There is a glycoprotein globulin made naturally in the human body called Gc protein-derived macrophage activating factor, or GcMAF for short. Recently, it's become one of those purported "miracle ...
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184 views

Does eating multiple small meals boost metabolism?

So, I've lived a sedentary lifestyle these past few years (ahem, whole life), and developed a bit of a spare tire around my midsection. There are several people at work who live very active, healthy ...
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82 views

What are the chances of female-to-male SOA/STD transmission during straight sex [closed]

SOA (https://nl.wikipedia.org/wiki/Seksueel_overdraagbare_aandoening) When a male does intercourse with a female who is infected with SOA (SOA called in Belgium, not sure SOA is STD?). How could/...
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1answer
431 views

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 ...
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1answer
380 views

Do Nervana earphones stimulate the vagus nerve to enhance mood?

The company Nervana claim that their new earphones and generator devices can stimulate the vagus nerve in the ear. The proprietary left earbud [...] not only receives the left channel of the ...
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1answer
482 views

Is brushing your teeth after vomiting dangerous for your teeth?

There's a claim (Day9 / Centre for Clinical Interventions) out there that goes: Don’t brush your teeth immediately after vomiting. While the teeth are covered in stomach acids, the vigorous action ...
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1answer
268 views

Did Tony Yahle die and come back to life?

According to CBS and a variety of other news outlets, a man called Tony Yahle's heart stopped for 45 minutes, he was pronounced dead, and then he came back to life. Many of the articles make ...
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264 views

Are warts always killed by the body's own immune system?

How precisely are warts removed? It’s my understanding that when the virus is killed the wart is effectively dead. I’ve heard some claims that it’s actually the body’s own immune system that kills the ...
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1answer
514 views

Do EnChroma glasses “cure” color-blindness?

A few news stories have been circulating around about glasses that "cure" some forms of color-blindness: CNBC - Glasses that let the color blind see color Today.com - Watch these brothers' emotional ...
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2answers
632 views

Is coconut oil effective as a toothpaste or in promoting oral health?

There's a good deal of information about "oil pulling" which is the process by which you swish oil around your mouth for 20 minutes or so then spit it out. There are many claims about what it can heal,...
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1answer
134 views

Does fluoridated water increase the risk of fractures amongst osteoporosis patients?

I have heard claims that it is unsafe for those with osteoporosis to drink tap water in municipalities that add fluoride to it, because it increases risks of fractures. For example: Fluoridation.com ...
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1answer
540 views

Was Ignaz Semmelweis ignored by the medical community when he advocated hand washing?

Daniel Engber writes in Who Will Debunk The Debunkers?: Ignaz Semmelweis, the Hungarian physician who noticed in the 1840s that doctors were themselves the source of childbed fever in his hospital’...
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405 views

Will half of the human population born in 1960 develop cancer?

It is well known that the incidence of cancer is increasing due to a lower fraction of deaths from other causes. However, there are many articles (probably sharing the same source) stating that the ...
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2answers
598 views

Do artificial sweeteners raise the risk of diabetes?

A recent study about the effect of artificial sweeteners suggests they may increase the risk of developing type 2 diabetes. This has been widely reported in the media, for example the Mail Online ...
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1answer
13k views

Did the U.S. Army treat a President's cold using chlorine gas?

Several texts on the history of chemical warfare mention the story that in May 1924 the U.S. Army Chemical Warfare Service (CWS) treated President Calvin Coolidge for a severe cold with chlorine. For ...
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1answer
571 views

Is medical error the third leading cause of death in the US?

Today's Washington Post headline warns: Researchers: Medical errors now third leading cause of death in United States The article goes on to say that researchers at Johns Hopkins estimate that ...
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1answer
319 views

Do aluminum-based antiperspirants cause cancer?

Some people claim that the aluminium in antiperspirants can cause cancer. For example, Mercola.com: Putting on antiperspirant is a routine part of most people's day, and you may not think much ...
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1answer
302 views

Is 50% of happiness determined by genetics?

CBS New York quote author Gretchen Rubin as saying: “About 50 percent of happiness is genetically determined" Similarly, Lifecho say: According to some studies our happiness level depend 50% ...
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1answer
255 views

Is it safe to drink water from a bottle after exposure to xrays? [closed]

Is it safe to drink water that was in an insulated water bottle that was directly in front of an X-ray machine with no lead barrier in between?
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3answers
658 views

Do antibiotics weaken your immune system?

Recently, my friend told me that antibiotics will weaken your immune system. Their reasoning is that: Antibiotics remove the harmful bacteria from you, but they also remove the natural disease ...
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1answer
419 views

Will sleep deprivation kill you faster than starvation?

This article from Time Motto makes the claim that sleep deprivation will result in faster death than starvation. In the long run, work is not more important than sleep. If you aren’t sure how ...
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0answers
238 views

Does raising your body's temperature help cure flu?

I was discussing with a team mate on how to cure the (common) flu virus. We had a disagreement about the body temperature effect. Con: Some argued that it's better to lower temperature, as it is a ...
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1answer
418 views

Were the measles outbreaks of this decade caused by people not vaccinating?

There are several movements against vaccinating children in the USA. There were several measles outbreaks in the 2010's. Are they related?
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53 views

Is there evidence from controlled trials that automatic external defibrillation can start a stopped heart? [duplicate]

Jeremy H. Howick writes in the book "The Philosophy of Evidence-based Medicine": Perhaps the most striking [paradox of EBM] is that many of the treatments in whose effectiveness we have the most ...
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77 views

Is there evidence from controlled trials that tracheostomy works?

Jeremy H. Howick writes in the book "The Philosophy of Evidence-based Medicine": Perhaps the most striking [paradox of EBM] is that many of the treatments in whose effectiveness we have the most ...
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1answer
223 views

Is 95% of the body's serotonin found in the bowels?

Adam Hadhazy writes in Think Twice: How the Gut's "Second Brain" Influences Mood and Well-Being: The enteric nervous system uses more than 30 neurotransmitters, just like the brain, and in fact 95 ...
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3answers
516 views

Are there approved drugs where it's unknown how they work?

A couple of months ago, I saw a YouTube video, stating that it is still not known how some common drugs really work. I think it might be Healthcare Triage, and I think it might be about ...
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1answer
124 views

Are the Vitamins L1 and L2 necessary for rats to lactate?

Nakahara et al write in Identification of Vitamin L1 (Anthranilic Acid): In 1934, we demonstrated for the first time the existance of a specific dietary factor of lactation, since designated ...
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221 views

Does the IntelliGender gender prediction test have 78% accuracy?

In 2009, CNN described Intelligender, an over-the-counter test that predicts the gender of an unborn baby based on hormones in the mother's urine. It claims that within 10 minutes of taking the ...
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1answer
520 views

Are 1 in 12 men color blind?

The Colour Blind Awareness website claims that: Colour (color) blindness (colour vision deficiency, or CVD) affects approximately 1 in 12 men (8%) and 1 in 200 women in the world. This claim ...
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2answers
913 views

Does taking birth control pills alter your preferences for a partner?

It has been reported (and repeated) several times that women who use the typical birth control pill (with both estrogen and progestin) show different preferences for men, depending on whether they are ...
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1answer
179 views

Does supplementation of garlic/allicin reduce the risk of catching the common cold significantly? [duplicate]

The study Preventing the common cold with a garlic supplement: a double-blind, placebo-controlled survey shows a reduction of days challenged virally by about 70% just by taking 180mg allicin every ...
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1answer
190 views

Do most patients with chronic fatigue syndrome have low thyroid activity?

A company called Holtorf Medical Group writes in Are All Chronic Fatigue Syndrome and Fibromyalgia Patients Low Thyroid: There is mounting evidence that there is low thyroid activity ...
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1answer
442 views

Does PMS cause mood swings?

The Huffington Post writes in Mood Swings From Menstruation May Not Exist, Study Finds: Premenstrual syndrome, or PMS, may be an utter myth, according to new research from the University of ...
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2answers
377 views

Do the ulna and radius in the left arm take up more volume than the ulna and radius in the right arm?

The creative commons licensed 3D anatomy model BodyParts3D lists the volume for various bones. It lists for the left ulna 81.9 cm3 while it lists 73.3 cm3 for the right ulna. It lists for the left ...
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1answer
262 views

Does the See Clearly Method of vision improvement work?

I found a product called the See Clearly Method on Amazon. The program claims: The best personal vision improvement system currently available. The results of years of study and clinical ...
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2answers
12k views

Is Reiki scientifically valid/proven?

Reiki is a form of alternative medicine which has its origins in Japan. Palm healing and auras are central aspects of Reiki. The practice of Reiki is getting more common, however, I was not able to ...
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1answer
474 views

Is there a link between strabismus and psychiatric illness?

I have an esotropic latent strabismus which causes my left eye to sometimes point inward rather than cooperating with the other eye. I read recently that youths with a strabismus are more likely to ...
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1answer
250 views

Are artificial football pitches linked to cancer?

There is a lot of weather in the UK and this interacts with normal grass pitches used for sports such as soccer and rugby to cause the pitches to be unplayable. As a response many teams have adopted ...
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117 views

Does alum heal canker sores (mouth ulcers)

I've read different accounts of alum working like magic in healing mouth ulcers, but still it seem pretty anecdotal. However, there's numerous accounts of people saying that they apply alum, and that ...
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2answers
1k views

What is the cause of Brazil's microcephaly outbreak?

It has been claimed that Brazil is suffering from an outbreak of Microcephaly. Several possible causes have been proposed. Zika Virus Perhaps the most popular one is the zika virus. For example, ...
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89 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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2answers
4k 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 ...
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172 views

Does copper react differently with different people? [closed]

One of my friends and I have developed a habit of drinking water from only copper vessels as I have read several benefits of drinking from that. But I observed one strange phenomenon during past few ...
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1answer
233 views

Does the Graston Technique effectively treat limited mobility due to scar tissue?

The Graston Technique is a form of "cross fiber" massage with a metal instrument. The Graston Technique® incorporates an evidence-based form of instrument-assisted soft tissue mobilization that ...
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0answers
63 views

Is the use of antibiotics justified for respiratory viral infections? [closed]

It is a widespread belief that antibiotics should not be used for treating viral infections, as they are effective against bacteria, not viruses (see e.g. http://www.cdc.gov/features/getsmart/). ...
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1answer
223 views

Do 5 percent of cancer patients in the U.S. end up in a clinical trial?

Joe Biden's A Moonshot to Cure Cancer call claims: 5 percent of cancer patients in the U.S. end up in a clinical trial Is that number true? The page doesn't give any reference.
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73 views

Do L-lysine supplements help cold sore outbreaks?

Some people claim that dietary supplements of L-lysine (a type of lysine) help treat (but not cure) cold sores (Herpes labialis). The idea that lysine might work against herpes has some ...
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1k views

Can the Ocumetic bionic lens give flawless vision?

Ocumetics claim to have developed a bionic lens that can be surgically implanted into the eye to restore clear focus to patients. For a half century, ophthalmic surgeons have envisioned an ...
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1answer
1k views

Does locking one's knees lead to fainting?

I have been told that locking one's knees can lead to fainting or passing out, and if you need to stand for an extended period of time you should always avoid standing and not lock your knees. I just ...