The set of practices perceived by a community to be associated with the preservation of health and healthy living.

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29
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1answer
711 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 ...
12
votes
1answer
232 views

Does a lack of hand-washing by health-care workers cause 100,000 deaths per year in the USA?

Tweet by PostSecret, with 203 retweets and 85 favorites: 100,000 deaths in the US alone could be avoided each year if health care workers washed their hands more, according to the CDC. Do ...
2
votes
0answers
63 views

Are warm and cold water generally good enough for laundry? [closed]

This blog post says: Use warm water for whites; cold water for colors. Now admittedly I used to be a hot water for whites guy, but after researching the heck out of this article, I found that ...
7
votes
1answer
420 views

Do restaurants in China recycle 'gutter oil'?

A video titled This Video Of Chinese Street Food Made From 'Gutter Oil' Is The Most Disgusting Thing You Will See All Day rose to the top of the reddit front page today. It claims some restaurants in ...
7
votes
2answers
307 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 ...
0
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0answers
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 ?
12
votes
1answer
363 views

Do modern toothbrush features remove more plaque than regular toothbrushes?

The Oral-B makes some claims about their Oral-B Pro-Health All-In-One: Oral-B Pro-Health All-In-One toothbrush has been clinically proven to remove more plaque than a regular manual toothbrush ...
5
votes
0answers
143 views

Do students on paediatrics rotations get sick a lot?

From http://forums.studentdoctor.net/showthread.php?t=605542: 3rd years get sick on peds alot. Peds or EM during the winter months pretty much maximizes your odds of getting something. Do ...
11
votes
2answers
1k views

Is washing your body too often bad for your skin?

This is not a question about washing your hair. It's about taking a shower too often - i.e. several times a day. I remember I read somewhere that, in this case, your skin lost good bacteria that ...
10
votes
2answers
1k views

Does alcohol-free “essential oil” mouthwash kill bacteria in your mouth?

Case in point: No other alcohol-free mouthwash has been proven more effective at killing bad breath germs. Contains signature 4 Essential Oils found in LISTERINEĀ® Antiseptic for bad breath ...
8
votes
1answer
1k views

Can the useful lifespan of razor blades be extended by stroking them over jeans?

This article and this video, amongst others, claim that you can extend the useful lifespan of razor blades for a substantial amount (months), if you regularly stroke them over jeans, immediately after ...
19
votes
1answer
779 views

Do the commercially produced toilet seat covers significantly reduce the spread of disease?

In many public toilets there are disposable toilet seat covers that can be placed over the seat before sitting down. These covers certainly allay some of the "yuck factor" associated with placing one ...
2
votes
0answers
162 views

Is cleaning of teeth necessary for healthier gums?

I found the following passage in Man's Search for Meaning by Dr Viktor Frankl I would like to mention a few similar surprises on how much we could endure: we were unable to clean our teeth, and ...
30
votes
2answers
5k views

Do we need to brush our teeth?

While everyone is telling us that we should brush our teeth twice a day, the human species has evolved for several million years without any teeth brushing. Apes don't brush their teeth, and they ...
0
votes
0answers
132 views

Is the real benefit of flossing that your gums strengthen?

I read that the actual benefit of flossing your teeth is not to remove food that is between them, but that your gums actually become stronger at fighting infections. Is this true?
4
votes
0answers
305 views

Is the health risk of street food less than restaurant food?

From the government advertisements and common media it is common belief that street foods are much less safe than restaurant foods. Yet when reading about street foods in Wikipedia I came across this ...
10
votes
1answer
932 views

Does the miswak help with digestion, eyesight, headache, memory or illness?

The miswak is a traditional Middle-Eastern toothbrush (so to speak) make from a twig of a particular branch, that is claimed to be especially effective. The dental efficacy has been studied, but ...
11
votes
2answers
2k views

Does living clean weaken ones immune system?

In many places I have heard that living too clean weakens your immune system. For example, a Daily Mail article says: Evidence is growing that dirt and germs can protect against disease - and that ...
16
votes
2answers
8k views

Do I need to wash my hands after using the bathroom?

Source Is hand-washing after urination and defecation merely a product of social norms, or is there a health-related reason that we wash our hands after going to the bathroom? Or is there some ...
6
votes
0answers
1k views

Does shaving with cold water produce a closer shave?

The claim is discussed at The Art of Manliness, as quoted from the book Shaving Made Easy (1824): . . . the author argues that the idea that a soft beard gives a better shave is a bunch of bunk ...
4
votes
0answers
712 views

Is brushing your teeth in the kitchen sink anti-hygienic? [closed]

I do that from time to time, as I see absolutely no problem in spewing in the same place I'm washing things I've already put in my mouth (forks anyone?) not to count there are way many things more ...
25
votes
1answer
1k views

Does standing closer to the urinal prevent urine splashes?

My work has a sign in the bathrooms requesting that you stand closer to the urinals to avoid splashing onto the floor. Is this actually a workable fact? My query is that if you stand closer, ...
5
votes
2answers
8k views

Does “Thieves oil” kill bacteria and boost the immune system?

Thieves essential oil is supposed to help keep you from getting sick by killing germs. Packed with powerful, germ-killing essential oils, the Thieves line helps eliminate airborne bacteria and ...
11
votes
1answer
11k views

Does putting warm food in the refrigerator make it more likely to give you food poisoning than letting it cool off first and then refrigerating it?

My boss was arguing that this is true and that it's a well known fact amongst culinary professionals that you should never put hot food in the refridgirator (he used to be a baker and had restaurants ...
10
votes
1answer
817 views

Is it possible to crush bacteria?

For example by stepping on, stabbing with tiny needles or by pushing hard with thumb on a specific spot, etc? Can bacteria die in a car crash? Or as a result of playing football? Another situation ...
6
votes
0answers
808 views

Coca-cola and open water swimming

I've heard it claimed that Coke helps prevent infections. The Independent Some open-water swimmers drink Coke after racing, both for the sugar rush and because it is said to neutralise harmful ...
8
votes
0answers
292 views

Is using saliva as a dive mask defogger dangerous?

When diving, you can use saliva or commercial defog to prevent your mask from fogging. However, according to WikiHow, bacteria in saliva are potentially harmful to your eyes. Beware of using spit ...
14
votes
1answer
2k views

Do Americans use three times as much toilet paper as Europeans?

This article "5 Seemingly Innocent Ways You've Screwed The World Today" on cracked.com contains the following claim: Delicate American bottoms prefer plush, bleached white, multi-ply paper with ...
11
votes
1answer
1k views

Can urine aerosols reach my toothbrush if I pee standing up?

My girlfriend insisted that I should sit down in the future after reading this tip (German) for easier cleaning: When standing, the stream sprays up to 3.50 m far, as measured from a drop height ...
11
votes
2answers
22k views

Is vinegar & baking soda an effective agent for disinfecting bacteria and mold?

I've seen a lot of references on the Internet stating that vinegar mixed with baking soda is an effective way to disinfect mold, bacteria, etc. I'm skeptical that it has a significant effect because ...
10
votes
2answers
6k views

Is it dangerous to mix boiled and unboiled water?

There is a popular belief in Russia that mixing boiled and unboiled water (say, adding cold unboiled water to a cup of tea to cool it) can be dangerous for one's health, even if it is safe to drink ...
11
votes
1answer
4k views

Do I have to brush my teeth at least 3 minutes each time?

There are various claims about how long a tooth brushing session should last for proper dental hygiene. I have heard that 3 minutes is the time and that my tooth brushing sessions should be ...
21
votes
1answer
2k views

Is washing your hair too often bad?

This is one that I've heard on more than one occasion: "Don't wash your hair every day. Wash it every two days as washing it too often will damage it." Is there any truth in this? Can frequent hair ...
4
votes
0answers
243 views

Are disposable contacts unsafe beyond their recommended time limits?

My wife is fussing at me because I've been wearing the same pair of 2 week contacts for probably 4 months now. My experience thus far is to only replace if they either tear or develop irritation. The ...
29
votes
3answers
12k views

Do we need to clean our ears (remove earwax)?

Last year, I read on a newspaper that a research found that we do not need, or should not, clean our ears as the earwax comes out naturally and sticking in cotton swabs can damage our ears. Is my ...
11
votes
1answer
7k views

Do hot baths damage skin or nerves?

I like to take showers and baths hot enough to leave my skin pink when I come out. One of my friends has a much lower tolerance to hot water and has said that that soaking in hot water can damage the ...
13
votes
1answer
7k views

Is house dust mostly made up of human skin?

Fortean Times I first heard the claim that house dust is mostly made up of human skin on a TV show, when I was a kid. But even today I often hear this "factoid" being quoted. From Better Health: ...
4
votes
2answers
2k views

Windex > Vinegar + Water

Are Windex and other commercial window cleaners better at cleaning windows than vinegar and water (and other household chemicals)? For example care2.com suggests the following is the best window ...
13
votes
1answer
13k views

Are there airborne poop particles flying around bathrooms?

I've heard claims of airborne poop particles that fly into the air everytime one flushes a toilet. Here's some examples: HERE someone states that flushing the toilet "aerosolizes" water/poop into ...
12
votes
3answers
2k views

Are toilet seats extremely unhygienic?

We've already seen a few questions about toilet hygiene but these styles of questions/myths more or less assume that toilet seats are the bottom of the hygienic barrel. Is this true? To wit, I have ...
15
votes
2answers
5k views

Did workers defecate in the hallways of the Palace of Versailles when they were building it?

I remember reading that workers pooped in the hallways of Versailles for their own pleasure some years ago, but can't find a confirming source by Googling. Can anyone enlighten me as to the actual ...
20
votes
1answer
5k views

Are “Flushable” baby wipes flushable?

I know they say "Flushable" right on the package, but are they? Do they break down fast enough to not cause problems in septic/sewer systems?
9
votes
1answer
13k views

Can one use microfiber cloths and products to “clean without chemicals”?

There's a company called Norwex, started in Norway and now in other countries including Canada and the US, which claim its products "Clean without Chemicals": Our line of cleaning products will ...
16
votes
1answer
10k views

Is chewing your finger nails as bad as licking a public toilet seat?

I've heard the above mentioned many times growing up that chewing your fingernails will expose you to more germs than to licking a public toilet seat. Apologies for the provacative title, but here ...
61
votes
3answers
6k views

Is food still safe to eat within 5 seconds after being dropped on the floor (5 second rule)?

Today in the cafeteria my friend dropped a chicken wing on the floor and immediately picked it up and ate it. Afterward he claimed that the chicken wing was still safe to eat if it was consumed within ...
13
votes
1answer
2k views

Is it good to be germaphobic?

I have a friend (the same guy that believes calcium in water is bad for you) who is germaphobic. That is, he will avoid germs at any expense. For example, kitchen surfaces will be pristine, using some ...
12
votes
1answer
2k views

Is it more hygenic to keep the lid down on the toilet after use?

I remember a bit of folklore that suggested it was more hygienic to put the lid (that's the lid on the seat) down after use. Is this the case?
42
votes
1answer
1k views

Are many allergies caused by too much hygiene?

One hears it once in a while that many allergies are due to people overly concerned with hygiene. The rationale is that growing up in a near-sterile environment will leave your immune system confused ...
48
votes
1answer
33k views

Is cleaning yourself with toilet paper cleaner than using water?

As a Westener, I've always been raised to believe that the best way to clean most objects is warm water and soap - self, dishes, clothes, pretty much everything. Except what is probably thought of as ...