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15 Oct 12
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Faecal matter can be found on just over a quarter of our hands, new research suggests. In some cases the amount of germs is equivalent to the number in a dirty toilet bowl. So why are the British so bad at washing their hands?
Poo, it's getting everywhere. Faecal bacteria is present on 26% of hands in the UK, 14% of bank notes and 10% of credit cards, according to new research carried out by hygiene experts from Queen Mary, University of London (QMUL) and the London School of Hygiene & Tropical Medicine (LSHTM). It has been published to promote the UN's Global Handwashing Day.
They say one of the biggest shocks is the level of germs. Findings suggest 11% of our hands are so "grossly contaminated" they are carrying as many germs as a dirty toilet bowl. It's the same for 8% of cards and 6% of notes. We already know faecal matter can be found on one in six mobile phones.
"People may claim they wash their hands regularly but the science shows otherwise," says QMUL's Dr Ron Cutler, who led the study.
The British are particularly bad, other research suggests. Many of us also lie and claim we have washed our hands when we haven't, especially after going to the toilet.
In a recent UK-wide study, 99% of people interviewed at motorway service stations toilets claimed they had washed their hands after going to the toilet. Electronic recording devices revealed only 32% of men and 64% of women actually did.
Even when faced with a serious health threat, many still don't bother. More newly published findings, this time from an international study by Harvard University, suggest only 53% of people washed their hands more frequently during the 2009 swine flu pandemic. It looked into how people changed their behaviour to reduce the spread of the H1N1 virus, and the British were the worst of the five countries studied.
"People may claim they wash their hands regularly but the science shows otherwise," says QMUL's Dr Ron Cutler, who led the study.
The British are particularly bad, other research suggests. Many of us also lie and claim we have washed our hands when we haven't, especially after going to the toilet.
In a recent UK-wide study, 99% of people interviewed at motorway service stations toilets claimed they had washed their hands after going to the toilet. Electronic recording devices revealed only 32% of men and 64% of women actually did.
Even when faced with a serious health threat, many still don't bother. More newly published findings, this time from an international study by Harvard University, suggest only 53% of people washed their hands more frequently during the 2009 swine flu pandemic. It looked into how people changed their behaviour to reduce the spread of the H1N1 virus, and the British were the worst of the five countries studied.
"People in the UK are worried about infections, we know that," says Dr Cutler. "But often they don't associate dirty hands with infections until they actually get ill, it's rather bizarre. They think their hands are clean."
They're wrong of course. The average person's hands probably carry at least 3,000 different bacteria belonging to more than 100 species, according to US researchers at the University of Colorado Boulder.
We all have our own unique "bacterial fingerprint", says Prof Noah Fierer, who conducted the research.
"Bacteria on skin are like snowflakes, no two communities are alike," he says.
That even goes for your left and right hand. The study found a person's hands share only 13% of the same bacteria. Also, while women wash their hands more than men, they have a more diverse selection of germs living on them. Scientists don't know why, but says differences in sweat, hormones and even the use of makeup might be involved.
A lot of the different types of bacteria found on skin are not pathogens so do not cause disease, says Prof Fierer. Hand hygiene is more about not passing on the bad germs we pick up.
"The benefit of hand washing is that it removes those transient taxa [organisms] that a doctor, for example, may pick up from a diseased patient, or a cook may pick up from using the toilet and then potentially pass onto another individual," he says.
Sometimes bad hygiene is not down to laziness or a lack of awareness. Automatic behaviour is often subconscious and we simply don't think about what we're doing, says Dr Val Curtis, director of the Hygiene Centre at LSHTM.
"People often genuinely think they've washed their hands after going to the toilet when they haven't. People think their behaviour is under conscious control, but often it's not. They are mindlessly doing things."
Of those that who do wash their hands, often they're doing it wrong. A quick wipe with water is not enough. You should use soap wherever possible and follow certain steps, like rubbing around your thumbs. If you wash your hands correctly it should take you the same length of time as singing Happy Birthday twice, say experts.
We should also do it more regularly, when we take out the bins or stroke a cat for example. The two most crucial times during the day are after toilet use and before eating. The study of bank notes and credit cards suggest only 39% of people wash their hands before tucking into some food.
It might not seem that important but the consequences of not washing your hands can be serious. Faecal matter is one of the most dangerous around, says Dr Curtis. It can survive on hands and surfaces for hours, especially in warmer temperatures away from sunlight.
"There are about one billion germs per gram in faecal matter," she says. "Even the smallest amount can leave millions of germs on your hands."
The British Olympic Association warned Team GB athletes not to shake hands during the London games this summer in case they caught a bug that might ruin their chances of success.
The UN says washing hands is the most cost-effective intervention for the worldwide control of disease. It estimates hand washing could save more than a million lives a year from diarrhoeal diseases and prevent respiratory infections, one of the biggest causes of child mortality in developing countries.
http://www.bbc.co.uk/news/magazine-19834975
Poo, it's getting everywhere. Faecal bacteria is present on 26% of hands in the UK, 14% of bank notes and 10% of credit cards, according to new research carried out by hygiene experts from Queen Mary, University of London (QMUL) and the London School of Hygiene & Tropical Medicine (LSHTM). It has been published to promote the UN's Global Handwashing Day.
They say one of the biggest shocks is the level of germs. Findings suggest 11% of our hands are so "grossly contaminated" they are carrying as many germs as a dirty toilet bowl. It's the same for 8% of cards and 6% of notes. We already know faecal matter can be found on one in six mobile phones.
"People may claim they wash their hands regularly but the science shows otherwise," says QMUL's Dr Ron Cutler, who led the study.
The British are particularly bad, other research suggests. Many of us also lie and claim we have washed our hands when we haven't, especially after going to the toilet.
In a recent UK-wide study, 99% of people interviewed at motorway service stations toilets claimed they had washed their hands after going to the toilet. Electronic recording devices revealed only 32% of men and 64% of women actually did.
Even when faced with a serious health threat, many still don't bother. More newly published findings, this time from an international study by Harvard University, suggest only 53% of people washed their hands more frequently during the 2009 swine flu pandemic. It looked into how people changed their behaviour to reduce the spread of the H1N1 virus, and the British were the worst of the five countries studied.
"People may claim they wash their hands regularly but the science shows otherwise," says QMUL's Dr Ron Cutler, who led the study.
The British are particularly bad, other research suggests. Many of us also lie and claim we have washed our hands when we haven't, especially after going to the toilet.
In a recent UK-wide study, 99% of people interviewed at motorway service stations toilets claimed they had washed their hands after going to the toilet. Electronic recording devices revealed only 32% of men and 64% of women actually did.
Even when faced with a serious health threat, many still don't bother. More newly published findings, this time from an international study by Harvard University, suggest only 53% of people washed their hands more frequently during the 2009 swine flu pandemic. It looked into how people changed their behaviour to reduce the spread of the H1N1 virus, and the British were the worst of the five countries studied.
"People in the UK are worried about infections, we know that," says Dr Cutler. "But often they don't associate dirty hands with infections until they actually get ill, it's rather bizarre. They think their hands are clean."
They're wrong of course. The average person's hands probably carry at least 3,000 different bacteria belonging to more than 100 species, according to US researchers at the University of Colorado Boulder.
We all have our own unique "bacterial fingerprint", says Prof Noah Fierer, who conducted the research.
"Bacteria on skin are like snowflakes, no two communities are alike," he says.
That even goes for your left and right hand. The study found a person's hands share only 13% of the same bacteria. Also, while women wash their hands more than men, they have a more diverse selection of germs living on them. Scientists don't know why, but says differences in sweat, hormones and even the use of makeup might be involved.
A lot of the different types of bacteria found on skin are not pathogens so do not cause disease, says Prof Fierer. Hand hygiene is more about not passing on the bad germs we pick up.
"The benefit of hand washing is that it removes those transient taxa [organisms] that a doctor, for example, may pick up from a diseased patient, or a cook may pick up from using the toilet and then potentially pass onto another individual," he says.
Sometimes bad hygiene is not down to laziness or a lack of awareness. Automatic behaviour is often subconscious and we simply don't think about what we're doing, says Dr Val Curtis, director of the Hygiene Centre at LSHTM.
"People often genuinely think they've washed their hands after going to the toilet when they haven't. People think their behaviour is under conscious control, but often it's not. They are mindlessly doing things."
Of those that who do wash their hands, often they're doing it wrong. A quick wipe with water is not enough. You should use soap wherever possible and follow certain steps, like rubbing around your thumbs. If you wash your hands correctly it should take you the same length of time as singing Happy Birthday twice, say experts.
We should also do it more regularly, when we take out the bins or stroke a cat for example. The two most crucial times during the day are after toilet use and before eating. The study of bank notes and credit cards suggest only 39% of people wash their hands before tucking into some food.
It might not seem that important but the consequences of not washing your hands can be serious. Faecal matter is one of the most dangerous around, says Dr Curtis. It can survive on hands and surfaces for hours, especially in warmer temperatures away from sunlight.
"There are about one billion germs per gram in faecal matter," she says. "Even the smallest amount can leave millions of germs on your hands."
The British Olympic Association warned Team GB athletes not to shake hands during the London games this summer in case they caught a bug that might ruin their chances of success.
The UN says washing hands is the most cost-effective intervention for the worldwide control of disease. It estimates hand washing could save more than a million lives a year from diarrhoeal diseases and prevent respiratory infections, one of the biggest causes of child mortality in developing countries.
http://www.bbc.co.uk/news/magazine-19834975
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Faecal bacteria is present on 26% of hands in the UK,
Should be less now that women are no longer putting their fingers up Jimmy Saville's bottom. |
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Uh ...oh....I think you have gone a step too far there, Crisp...
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I used to work for the local paper. I was disgusted at how many men (I never got the opportunity to look in the women's bogs) didn't wash their hands after doing what comes naturally.
The worst I saw was a guy having had a sh*t, coming out of the toilet cubical with a half eaten Mars Bar in hand (it was still in wrapper so that's how I knew), walking straight past the sinks and going out of the toilet and using the drinks machine - then back to his desk. So that's two doors to leave the toilets, the two buttons on the drinks machine and then another door to get to the journalists desk. Then people wonder how germs are spread |
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The Leopard had some sage advice!
Now wash your hands ! |
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Have they measured the amount on kebabs?
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