Use this tag for questions regarding physical, chemical and biological factors that may affect human health.

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7
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1answer
123 views

Does sharing earphones increase the risk of middle ear infections?

A Google search reveals many claims that sharing earphones is unhealthy. Marie Claire magazine provides an example: Kelly Reynolds, Ph.D., associate professor of environmental health at the ...
10
votes
1answer
224 views

Does 80-90% of the environmental and health damage a car causes come from manufacturing?

Claim from the video The First 3D-Printed Supercar: How we make them [cars] is much more important than how we fuel them and whether they have a tailpipe or not. 80 to 90 percent or more of the ...
0
votes
2answers
128 views

Do 1.5 million children die from pollution?

1.5 million children die every year from drinking polluted water. www.unicef.in From this. Is that really true?
3
votes
1answer
201 views

Does Daylight Savings Time lead to an increase in car accidents and work related injuries the week afterwards?

In the segment Daylight Saving Time - How Is This Still A Thing? of John Oliver's Last Week Tonight it is said: Studies say that there's an increase in car accidents and work related injuries the ...
2
votes
0answers
162 views

Does any high fructose corn syrup remain in bread after baking? [closed]

I have seen bread that has the dramatic message "Contains no high fructose corn syrup" By reading the labels on other breads, I find it appears frequently in the list of ingredients. Since the yeast ...
1
vote
0answers
95 views

Is the first stall of a public restroom the cleanest? [closed]

I have read so during a quick search on google, are there proofs for this theory?
7
votes
1answer
265 views

Does using a fluoride-based toothpaste or fluoride-supplemented tap water lead to higher fluoride concentration in the pineal gland?

Dr. Edward Group writes in Everything You Wanted to Know about the Pineal Gland: Calcification is the biggest problem for the pineal gland. Fluoride accumulates in the pineal gland more than any ...
5
votes
2answers
235 views

Is Giardiasis a significant risk of drinking untreated water in pristine backcountry areas in North America?

In North America, many people filter water when they are in the backcountry. A risk frequently cited in outdoor and hiking guides is giardiasis. For example, Frank and Annes Canyon Country Notebook ...
27
votes
1answer
3k views

Does Flint have a much lower rate of lead poisoning than it had two decades ago?

Does Kevin Drum's article Raw Data: Lead Poisoning of Kids in Flint describes the lead levels in Flint accurately? What you see is very steady and impressive progress from 1998 to 2013, with the ...
14
votes
2answers
595 views

Are organic vegetables higher in carcinogens?

My common senses would have told me that organic vegetables are healthier and less harmful compared to vegetables treated with pesticides. A recent post on Quora made me think otherwise. Organic ...
13
votes
1answer
448 views

Is wireless charging harmful?

My phone has a wireless charging coil, and it got me thinking about how much EM radiation a charger would actually produce. I'm sure some tinfoil people are up in arms about it, and a quick Google ...
16
votes
1answer
667 views

Does breathing Beijing's air for one hour reduce life expectancy by 20 minutes?

I've just listened to this claim by a BBC journalist in Beijing: A recent study showed that even breathing this kind of air for an hour can reduce a person's life expectancy by 20 minutes. ...
2
votes
0answers
124 views

Does injecting Bacillus F improve one's health? [closed]

In a Siberian times report, a Russian scientist Anatoli Brouchkov claims that 3.5 million year old bacteria Bacillus F improves longevity and fertility of fruit flies and mice stimulated the growth ...
6
votes
1answer
415 views

Do the plastic shade balls in Los Angeles leach chemicals into water?

An engineer with the Los Angeles Department of Water and Power claims that the plastic balls, which are introduced into the water reservoir in an attempt to combat the severe drought, don't leach any ...
3
votes
0answers
83 views

Has 98% of Europe banned water fluoridation? [duplicate]

I came across this gem on facebook today. It contains no sources, makes a bold claim with a numerical statistic to "back it up", and has been "shared" and "liked" thousands of times in the last ~48 ...
1
vote
0answers
68 views

Chemtrails : A dangerous govt. plot or just another debunked theory? [duplicate]

According to countless chemtrail research theories , trails left in the sky by high-flying govt. aircraft are dangerous chemical or biological agents deliberately sprayed for reasons undisclosed to ...
8
votes
0answers
92 views

Do pesticides containing EDCs cause IQ loss, obesity and cryptorchidism?

Recently, there have been news reports about Endochrine-Disrupting Chemicals (EDCs) have sprung up, such as this February 2015 Guardian article. Draft EU criteria could have banned 31 pesticides ...
1
vote
0answers
346 views

Does the oxygen level in the air drop at night or in the early morning? [closed]

There is a pseudoclaim that the oxygen level in the air drops at night and in the early morning (before dawn), and that the change is of sufficient magnitude to influence health.
16
votes
2answers
2k views

Is it possible to train dogs to detect hypoglycemia?

Many people have claimed that dogs can be trained to detect hypoglycemia. For example: For example, we have discovered that dogs have the ability to smell chemical changes in our bodies when ...
9
votes
1answer
262 views

Does sunlight cause most of the wrinkles on our faces?

WebMd claimed in a post that: Exposure to sun causes most of the wrinkles and age spots on our faces. Consider this: One woman at age 40 who has protected her skin from the sun actually has the ...
5
votes
1answer
751 views

Are people physically sensitive to light from LEDs over other sources?

The Irish Independent details the claims of a woman saying she is sensitive to LED light, and that it causes her nausea. The article explains that neurologists, opticians and ophthalmologists found ...
4
votes
1answer
346 views

Do granite tiles emit radioactive radon gas?

I have read that granite tiles emit radioactive radon gas, which is a health hazard. Is this true?
1
vote
0answers
162 views

Will food go sour faster during dog days, as according to Scandinavian lore? [closed]

Since I was just a small boy, my mother has kept insisting that dog days are real. This period would last from July 23, to August 23, tho some may say slightly different time-frames, all within July ...
2
votes
0answers
172 views

Is there a link between blood pressure and salt intake? [duplicate]

So I was reading Cracked article about health risk myths. The first entry was interesting: [Myth #5] Salt Causes High Blood Pressure [...] Countless more recent studies have utterly failed to ...
13
votes
2answers
722 views

Do electric cars create more fine dust pollution than comparable petrol cars?

According to this Flanders Today (a local Belgian newspaper) article a new small car on petrol in the city creates less fine dust than an electric car of average size. The researcher, Bruno ...
6
votes
1answer
973 views

Do glyphosate-based herbicides cause autism?

I just read this article on a 'health news' site: http://healthimpactnews.com/2014/mit-researcher-glyphosate-herbicide-will-cause-half-of-all-children-to-have-autism-by-2025/#sthash.C8EWLSzN.gbpl In ...
4
votes
2answers
355 views

Is it almost impossible to find animals that are not contaminated by chemicals?

From Chapter 3 of Rachel Carson's seminal book, Silent Spring (1962): FOR THE FIRST TIME in the history of the world, every human being is now subjected to contact with dangerous chemicals, from ...
8
votes
0answers
200 views

Do Föhn winds cause migraines and mental illness?

Föhn winds are dry, warm winds which occur in the lee of mountain ranges. According to Wikipedia föhn winds have been long associated with negative health impacts, especially in German-speaking Europe,...
10
votes
1answer
504 views

Is suicide caused by or correlated with living at high altitude?

According to the article There's a Suicide Epidemic in Utah — And One Neuroscientist Thinks He Knows Why: ... Despite ranking as America's happiest state, Utah has disproportionately high rates of ...
7
votes
1answer
486 views

Does wetting your toothbrush have health effects?

Today I read a tweet from @Funny_Truth: "Don't wet your toothbrush after you put toothpaste. Water will reduce the healthy benefits of toothpaste." Is it true? If it is what does actually ...
8
votes
0answers
224 views

Do covered [drinking water] reservoirs cause health risks compared to open-air reservoirs?

Bull Run Waiver.org is a political group opposed to covering drinking water reservoirs in Portland, Oregon. They making a number of claims that closed reservoirs introduce greater health risks than ...
8
votes
1answer
454 views

Does extremely low frequency radiation from mobile phones and tablets have adverse health effects?

Is ELF (extremely low frequency) radiation emitted by the electrical appliances' battery's current considered to have adverse health effects, or is this radiation too low to be considered? I'd like ...
19
votes
2answers
1k views

Is standing near Lake Karachay for an hour fatal?

I read this 9gag post (Okay, 9gag isn't really reliable for facts), where it says : I then checked it at Wikipedia (Again, not the most reliable, really, but it does the job when necessary), and ...
4
votes
0answers
230 views

Is arthritis a symptom of boron-deficiency in the diet?

As shared on Facebook: Wake Up World: Arthritis Cure Found in Nature? This article claims that boron kills amoebae that cause rheumatoid arthritis. It also claims that areas of the world that have ...
6
votes
1answer
309 views

Do higher rates of lithium in groundwater lead to a decreased suicide rate?

NyTimes: Although it seems strange that the microscopic amounts of lithium found in groundwater could have any substantial medical impact, the more scientists look for such effects, the more they seem ...
10
votes
2answers
769 views

Do Sugar-Free Gummy Bears cause gastrointestinal distress?

I stumbled across the Amazon page for Haribo Sugar-Free Gummi Bears The Reviews and Questions posted there were extremely entertaining, however I have my doubts as to if they are true or just some ...
11
votes
1answer
452 views

Should we prefer organic lemon and orange peels?

In many recipes, when it comes to add some lemon (or orange) zests, the authors advise to choose an organic fruit, because of the pesticides. I know there is no proof that non-organic fruits and ...
24
votes
3answers
864 views

Is looking at an IR transmitter bad for your eyes?

I've seen some warnings regarding IR sensors and transmitters such as the 4th panel below for the Nintendo 3DS: The Operations Manual says, Do not get too close to the infrared transceiver ...
10
votes
1answer
395 views

Are earth-grounding mats (designed for connecting humans to earth-ground) effective and safe?

The website Earthing [Warning: auto-playing video] sells earthing mats. The site states: Throughout history, humans walked barefoot and slept on the ground. But modern lifestyle [(shoes, beds, and ...
7
votes
1answer
22k views

Does raising your arm in the air help when you are coughing/choking on something?

When I was younger I once choked on some food and started coughing heavily, my Dad then told me to raise my arm in the air in order to "help raise the diaphragm". It actually helped with the coughing ...
6
votes
1answer
1k views

Is this an authentic photo of a parasite infection on a man's shoulder?

I've been forced to see an image countless times on my Facebook news feed.The picture shows this massive circle on a mans should that's bulging out and the circle has several honey comb like chambers ...
7
votes
2answers
728 views

Did a computer algorithm predict the 2014 Ebola outbreak 9 days before WHO?

This article claims that a computer algorithm predicted the recent (2014) Ebola outbreak 9 days before the World Health Organization announcement. Is this true? As you can read in the article the ...
5
votes
0answers
239 views

Did SF grocery bag ban cause at least an additional 5.4 deaths a year due to bacteria in reusable grocery bags?

The paper Grocery Bag Bans and Foodborne Illness (Klick & Wright, 2012) claims that Our results suggest that the San Francisco ban led to between 5.4 and 15.8 additional deaths. The logic ...
23
votes
1answer
3k views

Is prone masturbation detrimental to your sex life?

The term "Prone masturbation" refers to men lying face down and thrusting their penis into or against the bed, pillow, or something else. Healthy Strokes is claiming that: Prone masturbation can ...
12
votes
1answer
827 views

Is this a way to survive a lightning strike?

source Text in the image (clockwise): Crouch down low like a baseball catcher. Get as low as you can. The nearer you are to the ground, the less likely you are to be struck by lightning. But ...
5
votes
1answer
252 views

Do styrofoam cups cause health issues?

A friend of mine posted a link on Facebook to a Change.org petition to stop using styrofoam cups at Dunkin Donuts. Amongst their complaints was that styrofoam cups caused health issues for the staff ...
1
vote
1answer
130 views

Do higher CO₂ concentrations increase plant well-being?

Dr. Craig Idso claims increased levels of CO2 reduce the negative effects of a number of plant stresses including: high salinity, low light, high and low temperatures, insufficient water, air ...
6
votes
0answers
295 views

Is it healthy to sunbathe without sunscreen?

A article in The Independent starts with: Researchers followed 30,000 women for 20 years and found that those who avoided the sunshine were twice as likely to die Women who never sunbathe ...
5
votes
1answer
335 views

Does the Millennium Challenge Compact require El Salvador to use Monsanto seeds?

There's a story going about Facebook that claims that the United States is forcing El Salvador to use Monsanto's seeds if they want foreign aid through the Millenium Challenge program. The U.S. ...
6
votes
1answer
349 views

Can freezing make water cleaner?

I have heard of the following procedure intended to make water cleaner: Put a pot of water in the freezer. After a few hours the water will be partly frozen. Discard the ice. Keep the liquid in the ...