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    Mosquitoes more attracted to beer drinkers: study

    It might be nice enough to enjoy a pint outside in your part of Canada, but news that mosquitoes are likely to target people with beer in their systems might make you re-think enjoying your favorite patio.

    Or at least apply some bug repellent before you head out.

    A study, conducted by scientists at the IRD Research Centre in France, shows that insects are 15 per cent more likely to fly toward humans after they have consumed a pint.

    The researchers write in Plos One that one possible explanation is, "Mosquitoes may have evolved preferences for people who recently consumed beer - possibly due to reduced host defensive behaviours or highly-nutritious blood-meals."

    The team used 25 males from West Africa and had them drink a local brew called Dolo. Mosquitoes were then released into the air and had the option of flying toward open air or the odour of the participant. Before participants drank the beer, only 50 per cent of mosquitoes flew toward the participant's odour. After a beer, the number rose to 65 per cent.

    "Beer consumption, as opposed to water consumption, significantly increased both the activation and orientation of An. gambiae," the authors write in Plos One. "We found that beer consumption not only enhanced the number of mosquitoes that engage in odour-mediated upwind flight (mosquito activation) but also enhanced the strength of their odour-mediated anemotactic response (mosquito orientation)."

    Researchers also tried the same experiment with water finding that it was six per cent less likely for mosquitoes to fly toward the participants odour after consuming a glass.

    They are hoping to use the findings to decrease cases of malaria, a disease that kills 780,000 people worldwide every year.

    While malaria may not be a big problem in Canada, it is a good idea to lather on the bug screen when at the cottage enjoying beer.

    (AFP photo)

    What do you feel about this article?

     

    313 comments

    • betchay  •  10 months ago
      i guess its a kind of blood scent mosquito love to bite most..
    • June  •  10 months ago
      I don't drink beer but they are always coming after me. Do they want to explain that to me? I have to make sure when I am outside that I have repellent on because I am so illergic to them that the bites swell so bad and I have to take allergy pills.
    • Cheryl Ambrose  •  10 months ago
      those who took this picture obviously didn't get the age of majority card for these young children holding the so called mugs of beer.Either that they are contributing to minors.Great reporting here Guys
    • Andrew  •  10 months ago
      Some of the things people are saying here make me laugh. I am 37 and yet I have small hands and very little hair on my arms as well. I was carded almost every day at the Casino in Toronto even though I was one of the dealers, so young looking people aren't necessarily young. I don't drink beer, but I can't remember the last time I have been bitten by any kind of bugs. I usually have high iron content in my blood because they only take donors at the blood donor clinics if your iron is high enough, and I have donated 62 times so far, so that can't be a determining factor either. I have been called a human furnace, because I give off so much more heat than anybody else I know, so again not a determining factor to bugs biting you. It's more likely a combination of factors that are just right in certain people that attract insects more than in other people. But as many people have said here, 25 people getting bitten by mosquitos is not a large enough study group. If they had compared Men and women, drinkers vs non drinkers, different ages, lifestyles, and even compared different species of mosquitos with multiple test groups at different times of the year to determine the reactions of the mosquitos, it might have some validity. How do the reserchers know that the mosquitos were hungry or not the first time, and when the second time came along, the mosquitos just wanted lunch regardless of the beer
    • Fire Hazard  •  10 months ago
      I love how you people read this article and go "THIS IS BOGUS WHO PAYS THESE PEOPLE RRARRGGGHHH".

      Notice how the article says "more attracted to". This article/study suggests the idea that mosquitoes may be attracted to people to drink beer. While it is true that there is a huge gap in the study, it does present another study I want to see done in the future:

      "If mosquitoes are attracted to CO2 content, are you more attractive to mosquitoes if you burp more?"

      That being said, this is only a SMALL factor in it. Besides, mosquitoes mostly go for people with less pigment in their skin/hair and vitamin B1 concentrations in their blood.
      • Andrew 10 months ago
        I'm afraid that is bogus as well. I am extremely pale, and yet I have not been bitten by any mosquitos for several years now. I am not albino, but I am one of the whitest white guys around. My friend Tyrone is an African Canadian, with very dark skin and is constantly swatting bugs off his arms and face, while I get no bugs on me walking only a few feet from him. The pigment of your skin has nothing to do with whether bugs choose to bite you or not
    • A Yahoo! User  •  10 months ago
      This article is misleading - mosquitoes are attracted to CO2 which humans breathe out. Because beer is a carbonated drink, it adds to the CO2 concentrations in our breath and therefore makes beer drinkers easier targets. This is one of the more useless studies done and of course the media latch on to the headline because it's so dramatic.
      • almost 10 months ago
        I don't drink and I'm the first one attacked, and attacked big!!! Totally disagree with this study and its results!
      • Eðulf 10 months ago
        Carbonated drinks put CO2 in your gut, not in your breath.
      • Mr_Zarniwoop 10 months ago
        So they should have done a comparison against Coke or 7up drinkers, as they would alsop exhale more CO2.

        BTW Edulf if CO2 goes into you gut, you will still end up exhaling higher concentrations of it.
    • John  •  10 months ago
      dont drink beer in africa
      • jb 10 months ago
        Ive been to africa plenty of times and mosquitoes are worse in canada!!!
      • jdirving999 10 months ago
        I never drink beer in Africa. Mosquitoes are worse in Canada. Malaria is worse in Africa.
    • Maggie MAE  •  10 months ago
      Next time I'm cutting the lawn I'm gonna throw a drunk in front of the lawnmower!
      • Gerry 10 months ago
        hahahhahaah good one
      • Debbie P 10 months ago
        lol LOL LOL LOL LOL LOL
    • Donny  •  10 months ago
      When I drink beer I never go to bed with an ugly woman but I always seem to wake up with one.
      • Pete 10 months ago
        an ugly woman is better than no woman
      • Hello Hi 10 months ago
        omg thats funny..
      • Vivian 10 months ago
        Ahahahaha, too funny, Donny! :-)
    • spydur  •  10 months ago
      I don't often bite people who drink beer...but when I do, I prefer those who drink Dos Equis
    • stephd  •  10 months ago
      why do there hands look really young ?
    • bob  •  10 months ago
      If you drink enough beer the mosquitoes wont bother you!
    • Okhrana  •  10 months ago
      I don't drink beer and these things dine on me like I was a buffet table.
    • D'eau!  •  10 months ago
      Beer makes you more attractive to even mosquitoes.
    • Saddam Me  •  10 months ago
      poor mosquito, they dont have money to buy beer thats why they just bite people who drink beer.
    • Billy  •  10 months ago
      So because a 25 person study was done in West Africa, we here in Canada need to worry? Personally that seems like a VERY small study group to make this announcement official scientific evidence.
    • Bubbly  •  10 months ago
      That doesn't look like beer. That looks like Iced Tea! Held by little kids!
    • Robert  •  10 months ago
      they don't bite me when I drink beer in from Oct to March.
    • Mike  •  10 months ago
      My wife and I both drink beer and she gets eaten alive but not me... explain that!!! As quoted,, who pays these folks,, I want in!!
    • Stephen  •  10 months ago
      I read the article and see a big “truck driving through it” hole in their
      research.

      Mosquitoes are attracted to the CO2 we expel through our breath. They hone
      in on that. This is science that was proven more than 25 years ago. The
      more CO2, more mosquitoes are attracted. This is also the principal behind
      patio and golf range mosquito traps and gas killers used to attract
      mosquitoes by having higher concentrations released than man expels.

      Beer bubbles are CO2. So, mosquitoes would be attracted to that, and since
      we burp CO2 from the beer, that too would attract mosquitoes.

      The more CO2 present from our beer, our burping, and the party beer drinkers
      simply breathing, the more attractive outdoor beer drinkers are to
      mosquitoes. Ergo, the more beer we have present and/or consume the more
      mosquitoes would be present.

      Drink water, and there is a lower volume of CO2 emitted from a human.

      This is just another example of good research money going to waste. Mosquitoes have evolved to go after beer drinkers because boozers are less defensive? Oh please! More CO2, more mosquitoes, which are hard wried to find meals by the CO2 excretion of their prey. There are a lot of IRD (Idiots R Dumb) researchers celebrating their healthy pay cheques for this useless and highly questionable research and conclusions.

      This is the kind of research that really buns my butt. The information is
      there. All they have to do is put two and two together to get four, instead
      they get seventeen. This is like the experiment
      in the 50s or 60s where “scientists” drilled holes in monkey heads and
      then placed a light bulb in the hole. They attached one end of an
      electrical cord to the bulb, and another up the monkeys’ butts. conclusion:
      if you put enough electricity through the monkey, the light would turn on.
      Brilliant (no pun). Just brilliant research.

      Now why don’t those “researchers” do something "important", such as demand that beer
      stop being produced as it is a producer of CO2 in our atmosphere. As much
      CO2 is in the beer, there is even more released during production
      and brewing. Then there is yeast! And , of course, there is all the
      methane that beer consumption produces. More greenhouse gases! Someone
      alert Al Gore! Oh wait. “Environmentalists” drink beer. Let’s attack
      something else then, such as scientists that keep proving that the sun is the source of global warming/climate change, not man.

      So, to conclude, the research is bogus, and to save the planet we have to
      burn all the beer brewers to the ground. Sounds like a plan to me! And a bonus of less mosquitoes bothering us while we drink our wine.

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