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Does washing hands with soap remove more germs than plain water?

Washing your hands with plain water of a normal temperature is significantly less able to effectively sanitise against bacteria, viruses, and many protozoa. The oil on your skin will hold pathogens ...
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42 votes

Is vodka (or alcohol solutions with less than 60% concentration) an effective hand sanitizer against Covid-19?

A more recent study (also published by the CDC) seems to indicate that 30% might be a good enough concentration against SARS-CoV-2: [Figure legend:] Effect of commercially available alcohols in ...
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32 votes

Is it dangerous to use wooden cutlery and cutting boards with raw meat?

According to research at UC-Davis, quite the opposite is true. The key finding: Our safety concern was that bacteria such as Escherichia coli O157:H7 and Salmonella, which might contaminate a ...
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29 votes

Does washing hands with soap remove more germs than plain water?

Washing your hands with plain water does reduce germs. It just does not remove as many of them as using soap would. Source: Same link as Michael, and sorry for the hijack -- I know this to be true ...
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20 votes
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Do hand dryers in public bathrooms spread bacteria?

Cleaning your hands The UK NHS has a write up of a 2012 review of the evidence in Mayo Clinic Proceedings. They note that the papers reviewed reported different results, probably due to factors such ...
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20 votes
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Do pathogens have a negative ORP and beneficial bacteria a positive?

The beneficial strain of E. coli K-12 has a negative ORP. Therefore, the original claim cannot be universally true. Furthermore, E. coli is a facultative anaerobe, which means it can survive in both ...
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19 votes

If I buy "flushable" wipes, can I flush them without problems?

Summary In the US and Canada, if you buy wipes which say "Flushable" on the package, you normally should never flush them. (Source.) If you do, they may clog your pipes or your local sewer / septic ...
15 votes

Is house dust mostly made up of human skin?

According to Elemental concentrations and metal bioaccessibility in UK household dust Science of the Total Environment vol. 371, pages 74–81. Household dust has many internal and external sources, ...
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15 votes
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Is it better to floss before or after brushing the teeth?

Bottom line: It doesn't matter if you floss before or after brushing your teeth. This question has been debated endlessly within the dental community. On this site it is really hard to conclude ...
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14 votes
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Are antibacterial soaps better than plain soap and water?

This 2015 study, Bactericidal effects of triclosan in soap both in vitro and in vivo, suggests the most popular active ingredient, triclosan, had no effect for exposures commensurate with hand-...
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14 votes
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Does taking a bath at night have any bad effects on health?

It would be important to note first the cultural difference between bathing in Malaysia and Indonesia, and the western world. In both countries, the most common form of bathing is through mandi, ...
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12 votes

Do Ultra-violet LEDs on air hand dryers help to kill bacteria?

In 2005, a study was done comparing a number of hand drying methods: Yamamoto Y, Ugai K, Takahashi Y. Efficiency of hand drying for removing bacteria from washed hands: comparison of paper towel ...
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11 votes

Do pathogens have a negative ORP and beneficial bacteria a positive?

Pathogens create a waste material that is poisonous to the body. The more common definition of pathogen is that it does harm to its host - see abstract of this interesting looking paper "What is a ...
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10 votes

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

While it is nearly impossible to carry out an experiment on whether hand sanitiser usage will cause the immune system to misfire/fail, there have indeed been peer-reviewed experiments carried out on ...
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9 votes
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Was Ignaz Semmelweis ignored by the medical community when he advocated hand washing?

1) Was Ignaz Phillip Semmelweis the first to identify or a pioneer in identifying, the importance of hygiene in these cases? A. Ignaz Semmelweis was not the first to emphasize the significance of ...
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8 votes

If I buy "flushable" wipes, can I flush them without problems?

This website from ThamesWater (a water management company in UK) states that they are not flushable, and even shows you why. Other sources tell the same story: https://www.lanesfordrains.co.uk/...
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8 votes

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

Blending vinegar (a dilute acetic acid) with baking soda (a base) essentially produces a neutral (neither acidic or basic) The chemical equation for the overall reaction is: NaHCO3(s) + CH3COOH(l) → ...
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8 votes

Does washing hands with soap remove more germs than plain water?

If one would move his hands while washing hands with raw water, would that help in getting rid of bacteria and germs? Yes. In fact it can reduce the bacteria on your hands by 77%. This is a ...
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  • 1,460
8 votes
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Are women's public restrooms dirtier and/or more bacteria-laden than the men's rooms?

A study done (1) by Ciri Science, the Cleaning Industry Research Institute, sampled 47 public restrooms to test the presence of bacteria on various bathroom surfaces and found that women’s bathrooms ...
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8 votes
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Is brushing your teeth after vomiting dangerous for your teeth?

If brushing your teeth with traces of acid in your mouth really is dangerous, shouldn't we hear about it without mentioning of vomit? Yes, and we do (from Colgate): You should know, however, ...
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8 votes
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Does the risk of becoming infected with COVID-19 decrease by washing hands?

Direct evidence of actual viral disease transmission via fomites (the medical term for inanimate surfaces) is unfortunately notoriously difficult to produce, according to a 2007 review: direct ...
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7 votes
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Does washing salad remove E-coli?

Indeed you're wrong. A study reported that washing lettuce leaves with tap water for 15 s provided a log reduction of 1.16 (93.08 %) of the E. coli population, while "prolonging washing time with ...
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7 votes

Does boiling water with solid silver kill germs?

This World Health Orgainization report explores silver as a water disinfectant. It kills a wide variety of bacteria, and fungi without leaving a residue or many chemicals in the water. Silver has ...
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7 votes
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Are 40% of the oceans' bacteria killed by viruses every day?

According to Bacteriophage Distributions and Temporal Variability in the Ocean’s Interior mBio Nov/Dec 2017 Volume 8, e01903-17: Phages have been shown to kill hosts at rates of up to 20 to 40% of ...
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5 votes

Do hand dryers in public bathrooms spread bacteria?

According to a recent research paper, "Evaluation of the potential for virus dispersal during hand drying: a comparison of three methods", jet air dryers are the "worst", while warm air dryers are ...
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  • 475
5 votes
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No Wipe Poo - Possible?

It's a fake. gomerblog.com's own disclaimer states: Gomerblog.com is strictly a satirical and fake news blog site. All articles are fake and not intended to diagnosis medical conditions or ...
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4 votes

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

EO's can definately kill bacteria, however the other complicating factor related to alcohol is the biofilm. Penetrating the plaque biofilm: impact of essential oil mouthwash. This suggests that ...
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4 votes

Is the real benefit of flossing that your gums strengthen?

The main benefit from flossing appears to be to reduce gingivitis or gum inflammation. Presumably it does this by removing food from the interdental spaces because there is only weak evidence it ...
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