Physical, chemical and biological factors that affect human health.

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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 ...
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183 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. ...
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212 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 ...
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165 views

Is there a pressure point under the nose that can eliminate the urge to sneeze?

There's a pressure point under your nose that, if you press it, temporarily stops the sneeze reflex. http://tvtropes.org/pmwiki/pmwiki.php/Main/AntiSneezeFinger One of several places this is ...
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253 views

Does Roundup (glyphosate) cause kidney disease in farmers?

A viral photo on Facebook widely, shared by GMO Free USA, claims that Roundup has been linked to kidney disease. Breaking news: Sri Lanka becomes first country to ban sale of Monsanto's ...
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Do cigarettes emit three times as much particulates as an idling diesel engine?

We can see that cities like Melbourne are pushing far the smoking bans Often smoking is compared to car pollution, and is said to be insignificant But, according to this experiment A turbo ...
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1answer
295 views

Does forcing a young child to smoke a cigarette discourage longer term use?

I have heard that giving your kid a cigarette when they are very little and forcing them to smoke the whole thing will make them have a bad memory of the event and make them less likely to smoke in ...
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2answers
857 views

Is it good (for your health) to shower/bathe daily?

I only shower once every few days, sometimes as little as once a week depending how oily/sticky I'm feeling (I lead a pretty sedentary lifestyle so I don't reach that stage daily). People around me ...
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411 views

Does red meat increase the risk of heart disease?

Conventional common wisdom has been that red meat consumption increases the risk of developing heart disease. There are a lot of studies indicating this may be true, but there are also a lot of ...
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149 views

Is pouring liquor from a bottle onto a flambé an explosion risk?

Several TV chefs including, the late Julia Child, have advised against pouring liquor directly from the bottle to a pan to be ignited, as 'flames could travel up the stream and ignite the bottle' ...
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57 views

Is nuclear winter a doomsday scenario like the media depicts it? [duplicate]

While a nuclear war will obviously cause significant environmental harm to the earth, after doing some research on the subject I'm starting to find facts that make me question whether it would ...
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90 views

Do charcoal bags help removing volatile organic compounds (VOCs)?

I have read some claims that charcoal bags help removing harmful volatile organic compounds (VOCs). Bamboo Charcoal helps improve indoor air quality by absorbing and trapping odors, ...
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324 views

Did wheat nutrition change in the 1960s, causing health problems?

Mark's Daily Apple gives an example of a claim that I have encountered: that modern wheat bears little resemblance to wheat prior to the 1960s, and that this new wheat is the cause for the rise in ...
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220 views

Does chicken meat from the US contain arsenic?

Facebook brought this Minds.com article to my attention: After years of sweeping the issue under the rug and hoping no one would notice, the FDA has now finally admitted that chicken meat sold in ...
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2k views

Can you get ink poisoning from drawing or writing on your skin with pen?

It's a common claim in school yards (and from parents?) that you should not draw on your skin with a pen, or you will suffer "ink poisoning". Here's an example for notability: a Facebook page called ...
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1answer
163 views

Could some pacific fish (export, or migratory) be dangerous for those at-risk of certain cancers?

It seems plausible that increased radiation exposure could negatively impact the health of these populations. cancer patients currently on a chemoradiation regime cancer survivors who are at-risk ...
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2answers
376 views

Does Roundup harm mammals?

In the anti-GMO debate, it is frequently suggested that the use of Glyphosate (trade name: Roundup) on Roundup-ready GMO crops causes environmental harm. Example claim: Natural News Monsanto's ...
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331 views

Is aluminum in pans, soda cans and antiperspirants correlated to Alzheimer's?

I have not only heard the soda can theory since I was a kid, but more recently when researching the topic I have found many websites that claim pans made of aluminum and antiperspirants are correlated ...
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52 views

Are aluminum antiperspirants unhealthy? [duplicate]

It is regularly stated that aluminium is very bad for the brain, and for your general health. Is this true for antiperspirants? Is Potassium alum more healthy or is this just about marketing ?
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230 views

Do household air purifiers prevent illness?

Air purifiers that use glass-fiber HEPA material are said to reduce contaminant in the air that can cause illness, including cold and flu viruses, cigarette smoke. One example is, Are Air Purifiers ...
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3k views

Is wheat the cause of numerous, serious health problems?

This morning, I stumbled across a realfarmacy article which poses the question [Note: the linked page breaks in Chrome but worked in Firefox]: Why is there such a strong emphasis on the ...
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1answer
1k views

Is storing food in opened tin cans dangerous?

The UK National Health Service advises: never put open cans in the fridge, as the metal may transfer to the can's contents – place the contents in a storage container or covered bowl instead. ...
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1answer
1k views

Do the Celestial Seasonings teas contain dangerously high pesticide levels?

Someone on r/tea suggested updating the Celestial Seasonings (a tea brand) wikipedia page "to include the pesticide thing." A Google search finds a response of Celestial Seasonings to these ...
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271 views

Are we running out of drinking water so that we need to be frugal with it?

I’ve read in the news that a majority of earth’s population might run out of drinking water. As with many of these kind of predictions it’s difficult to judge the urgency and correctness of it ...
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4k views

Is sitting straight up the healthiest way to sit?

When I was in school, my teacher always told me "Sit up straight stop slouching!". I am sure many others have heard this too, the thing is though, sitting up with straight back is very uncomfortable, ...
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793 views

Can satellite jamming by Iranian authorities cause medical side effects on the Iranians health?

According to the article satellite jamming in Iran, a war over airwaves: Satellite jamming is a form of censorship akin to Internet censorship, whereby the Iranian government prohibits access to ...
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2k views

Did some Johnson & Johnson's cosmetics contain Ethylene oxide?

An Indian News article says one of India's states suspended the Johnson & Johnson license for its products contain Ethylene oxide. The Maharashtra Food and Drug Administration (FDA) has ...
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585 views

Have people died of cancer from the Fukushima daiichi nuclear accident?

A Japanese person wrote in her diary today that her English tutor told her that a lot of people in Japan have got cancer due to the Fukushima daiichi nuclear accident, and were already dead last year ...
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2k views

Are wind turbines harmful to human health?

The so-called wind turbine syndrome has received quite a bit of attention of late. For example, on How Stuff Works: Until recently, there were three main issues regarding the possible downsides of ...
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429 views

Has nuclear power generation saved millions of lives from avoided air pollution?

In a recent paper in Environmental Science and Technology, Kharecha and Hansen argue that, by avoiding the airborne pollution that would have resulted from fossil fuel burning, millions of lives have ...
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349 views

Could Fukushima daiichi cause the health problems suffered by the USS Ronald Reagan crew?

I came across the Huffington post article Fukushima And The Navy: Sailors Sue Japan Nuclear Plant Owner, Saying Disaster Made Them Sick. It's talking about a lawsuit against the operators of Fukushima ...
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272 views

Does “hard water” cause eczema?

Hard water is drinking water that is high in minerals. According to Wikipedia The World Health Organization says that "there does not appear to be any convincing evidence that water hardness ...
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141 views

Does florescent lighting in schools correlate to increased illness and behavior problems?

A morning talk radio program was discussing Scotopic sensitivity syndrome and made the claim that in schools where Florescent lighting had been replaced with indirect non-florescent lighting had more ...
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1k views

Do memory foam mattresses help reduce back pain?

Memory foam and related products have claims like TEMPUR Mattresses create a custom fit for your body, virtually eliminating painful pressure points and reducing your body’s need to toss and turn ...
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2k views

Does anyone know what cyanide tastes like?

There is a story about a scientist who wanted to know what Hydrogen Cyanide (HCN, Prussic Acid) tasted like, but couldn't because he died before he could write it out. But it requires at least 25-30 ...
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359 views

Do some ingredients in lip balm cause dry lips?

According to this LifeHacker article, some brands of lip balms actually cause the problem of dry lips rather than solve it. America News Now spoke to dermatologist Gary Slaughter, who found ...
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1answer
507 views

Did banning lead additives in petrol (gasoline) make a large contribution to lowering lead levels in people's blood?

There has been a renewed interest recently in the effects of low doses of lead especially in children (see this question, for example: Is lead exposure responsible for the rise and fall of violent ...
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1answer
675 views

Is eating boogers good for you?

Damn Interesting: There is an Austrian doctor who has gained notoriety by advocating the picking of one's nose and the consumption of the resulting bounty, particularly in children. Dr. Friedrich ...
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1k views

Are air humidifiers necessary, does low humidity have negative heath effects?

Air humidifiers are broadly sold and marking points to "healthy" relative humidity levels as (accordingly to different sources) is 30-50% and during artificial heating (normally, winter) seasons we ...
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746 views

Is hand gel effective against Norovirus?

I saw the following claim in an article in The Guardian - How not to catch the norovirus Incidentally – and you can consider this a public service announcement – forget most hand gels, the ...
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1answer
415 views

Is lead exposure responsible for the rise and fall of violent crime in the US?

I just found an article titled "America's Real Criminal Element: Lead" via Hacker News that made an assertion about the cause of violent crimes that I found rather surprising. The article states that ...
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5k views

Does your body suffer one mutation for every 15 cigarettes you smoke?

England's department of health has launched a new, very graphic anti-smoking TV ad (see the BBC STORY). Aside from the graphic imagery it makes the specific claim that a smoker will suffer one ...
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623 views

Why doesn't the high amount of fluoride found in tea or tobacco prevent dental caries? Or does it have to be hydrofluorosilicic acid? [closed]

On PubMed.gov http://www.ncbi.nlm.nih.gov/pubmed?term=PMID%3A%2016979289 "Determination of exposure and probable ingestion of fluoride through tea, toothpaste, tobacco..." "Levels of water soluble ...
14
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1answer
28k views

Does a cell phone emit 1000 times more radiation when its battery is low?

Found this gem on G+: The rest seems all extremely circumstantial except the very last item. The 'radiation' they're talking about, I'm assuming, is electromagnetic radiation - which would be ...
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579 views

Do earthenware pots contains lead?

I have heard somewhere that the earthenware pots contain lead, which can cause brain-damage. Is this information correct?
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219 views

Is typical indoor concentration of VOC correlated to concentration of CO₂?

A vendor of VOC (Volatile Organic Compound) sensor claims the VOC concentration correlates highly to CO₂ concentration in a typical conference room: Figure 2 illustrates the correlation of true ...
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1answer
3k views

Is sleeping on airbeds unhealthy?

I have often heard from people that sleeping on airbeds is not good for health, reasoning that it is filled with air and molds to the shape of our body, so cannot provide enough support for the back. ...
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154 views

Are cosmetic/pharmaceutical products without parabens healthier than counterparts with it?

Parabens are a class of preservative used in cosmetics and health related products. A large number of products, especially for infants, claim to be free of parabens implying that this is somewhat ...
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2k views

Is using a standing desk for several hours healthier than sitting at a desk all day?

Is working at a standing desk more healthy than working at a regular sitting desk? Source: Crackberry Blog Over the past couple of years there has been a lot of buzz about the health benefits ...
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625 views

Are laundry detergent and fabric softener fumes dangerous to human health?

One of my neighbors raised the topic of toxins in the dryer effluence from our buildings' laundry rooms. That's not particularly surprising, but she claimed there was evidence that the trace toxins ...