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

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1answer
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No Wipe Poo - Possible? [closed]

I read an article that says scientists have developed a pill that will make this possible, you take one pill with every meal and you'll no longer need to wipe after a bowel movement. This new ...
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269 views

Are smartphones, keyboards, and tablets more contaminated with germs than a public toilet seat?

http://blogs.which.co.uk/technology/news/how-clean-is-your-mobile-a-which-hygiene-investigation/ We use them every day while eating lunch or a snack, but new Which? research has revealed tablets, ...
3
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1answer
148 views

Can daily disposable contact lenses be safely re-used?

It is recommended that "daily" contact lenses are to be disposed of after about 8 hours of use. I understand that daily lenses are made from a different material than, say, monthly ones; they are ...
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1answer
5k views

Does taking a bath at night have any bad effects on health?

People in Indonesia and Malaysia claim that taking a bath or a shower at night (probably after 8.p.m.) could cause illness. A few mentioned effects are rheumatism and wet lungs. Is there any truth to ...
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2answers
951 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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1answer
284 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 ...
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1answer
174 views

Are eggs more likely to contain salmonella in the yolk than the white?

Eggsafety.org states Researchers say that, if present, most bacteria is usually in the yolk. Similar statements are made on other egg-related websites. For example, safeeggs.com states ...
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80 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 ...
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1answer
520 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 ...
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2answers
347 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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1answer
416 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 ...
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0answers
150 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 ...
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0answers
664 views

Does Coca-Cola kill germs in the stomach?

My friend recently went on a trek where his guides suggested he drink Coca Cola to kill any germs in his stomach, so that he didn't get sick. It's given me a skeptical itch. Is there any truth to ...
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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 ...
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2answers
2k 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 LISTERINE® Antiseptic for bad breath ...
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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 ...
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1answer
867 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 ...
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0answers
175 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 ...
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2answers
7k 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 ...
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1answer
208 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?
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0answers
321 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 ...
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1answer
1k 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 ...
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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 ...
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2answers
9k 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 ...
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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 ...
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910 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 ...
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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, ...
6
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2answers
11k 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 ...
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1answer
13k 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 ...
11
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1answer
967 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 ...
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0answers
900 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 ...
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0answers
300 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 ...
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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 ...
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1answer
2k views

Do hand sanitizers have a negative impact on the human immune system?

Related: Which is more effective at removing germs, washing with soap and water or using hand sanitizers? Does regular handwashing with antibacterial soap prevent disease? I've run across some ...
11
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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 ...
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3answers
25k 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 ...
11
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1answer
7k 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 ...
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1answer
5k 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 ...
6
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1answer
413 views

Are bugs and other pests “crawling with disease”?

This is heard very commonly when someone sees an unwanted animal, especially near food. Flies, roaches, pigeons, rats, etc. are all claimed to be filthy and disease ridden, warranting their ...
21
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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 ...
6
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0answers
259 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 ...
3
votes
1answer
329 views

Is it rational to avoid touching doorknobs, elevator buttons and other public surfaces? [closed]

Some people are very careful to never touch "public surfaces" such as doorknobs and elevator buttons. I have even seen public service placards that advise against touching bathroom doors after ...
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3answers
13k 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
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1answer
9k 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
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1answer
8k 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: ...
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2answers
3k 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 ...
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1answer
522 views

Do “naturally raised” animals contain less bacteria?

Related: Are artificial hormones in beef really something to worry about? Does organic food have more vitamins than nonorganic food? (kind of) I watched Food, Inc. (LINK) perhaps two years ago ...
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1answer
16k 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 ...
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3answers
3k 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 ...