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Why do we fear creatures that drink blood?

Updated on May 27, 2013
A Bed Bug
A Bed Bug | Source

Start talking about any creature that feeds on blood (vampiric), and the people you are talking to almost immediately start to wrinkle their noses in disgust and repulsion. I am probably as guilty as the next person of doing this, and I have to ask myself why we feel so strongly about creatures that are either blood suckers or simply consume blood to survive. There are a few creatures that immediately spring to mind when we talk about 'blood suckers', and they are probably leeches, mosquitoes, fleas, ticks, bed bugs and of course vampire bats (although the bat is more of a blood drinker than a blood sucker). Consuming blood is known as haematophagy, and any creatures that survives from drinking blood, either partially or entirely is known as being haematophagous.

I decided to write this article after watching a very interesting documentary that included a whole section on bed bugs. A scientist had a jar of bed bugs which had a very fine gauze-like mesh on one end of the jar. To illustrate the effects of bed bugs feeding he inverted the jar on to his arm so that the bed bugs could smell the flesh and make their way down to the fine mesh. The mesh was fine enough they could drink through it, yet not escape from the jar. After about twenty minutes he removed the jar, and where all the bed bugs had been feeding his arm had developed a massive bump, exactly the same shape and size as the top of the jar. This bump had been caused by his bodies reaction to the bites of the bed bugs. I could immediately feel my face screwing up in distaste at the idea these creatures had been drinking his blood. The question is where does this revulsion stem from, and why do we begrudge another creature from surviving off the food nature designed it to consume and digest?


A Vampire Bat
A Vampire Bat | Source

I would like to speculate that at least in some cases the fear and loathing for these creatures comes from years of watching Dracula and other vampire (vampyre) films, movies and television series. We have been conditioned to see the consumption of blood as evil, and terms are used such as 'bloodthirsty' or 'blood lust' to negatively describe any person or creature whose activities result in bloodshed, even though in reality most non-human creatures only take a very small amount of blood from their host, and rarely enough to kill what is their primary food source unless the numbers of vampiric creatures feeding on one host become excessive. The exceptions are usually when the host creatures are vulnerable, such as kittens or puppies with excessive amounts of fleas or ticks feeding from them at any one time, (and this is why it is so important to keep your young pets treated with a recognised brand of flea treatment from your veterinary surgeon.)

A Leech
A Leech | Source

Perhaps part of the problem is that we see blood as our 'life force' flowing through our veins and keeping us oxygenated and alive. We know that without our blood we would immediately die, and that to keep this essential fluid in our bodies we must stop any excessive bleeding through the use of bandages, stitches, tourniquets etc. We donate blood in order to save lives, we receive donated blood in order to have our own lives saved after surgery or bad accidents. Our blood is one of our most precious possessions and we hate the idea of some other creature stealing it from us, and literally draining our life force from us in order to survive itself.

A Mosquito
A Mosquito | Source
A Dog Tick
A Dog Tick | Source

Humans Consuming Blood

I believe that many people are unaware that tribes such as the Masai (sometimes spelled Maasai) used to take blood from their own live cattle, and mix it with milk in order to form a major part of their diet, (although this is not as common in recent times.) The Samburu tribe still collect blood from their cattle by making a small incision in the jugular of the cow, and draining some blood into a cup . The wound is then re- sealed with hot ash. Essentially these human tribes are also vampiric or haematophagous in nature, and whilst the western world may not find the idea of consuming milk mixed with blood as part of our diet appealing, we somehow seem to find this more acceptable than a creature or insect drinking blood. Odd though that many people in the western world happily eat black pudding (largely blood), willingly tuck into steaks cooked blue, rare or medium rare (blood still visible), and even eat steak tartare which is completely raw. This is just the beginning though, and just a few more of the many hundreds of such examples include:

Scandanavia and the Baltic have blood pancakes e.g. Swedish blodpl├Ąttar, Finnish veriohukainen, and Estonian veripannkoogid.

In China duck or pigs blood is allowed to congeal before being cut into rectangular pieces and cooked. This dish is called blood tofu.

Inuits consider raw seal blood a necessary part of their diet, believing it gives them strength and fortifies their own blood, replacing nutrients and improving the blood supply.

Other cases of humans from around the world consuming blood as part of their diet are numerous, which surely makes us somewhat hypocritical in our revulsion at the other creatures that also do this in order to survive. After all, we have a choice of foods we can survive off, and blood is far from essential in our diets, unlike the creatures that have evolved to require blood as their sole diet.

I would be interested in the results of the following poll questions if you have a couple of moment to spare in order to vote on them, and I hope you found the contents of this article at least a little bit of food for thought, even if it isn't of the blood variety!

Are you a person who is repulsed by blood sucking/drinking creatures?

See results

Do you consume any type of bloody food products, e.g. black pudding, steak tartare, rare steak etc?

See results

Were you surprised at how many human cultures consume blood based recipes?

See results

Comments

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    • mistyhorizon2003 profile imageAUTHOR

      Cindy Lawson 

      6 years ago from Guernsey (Channel Islands)

      Fleas are horrible I agree shea, but I guess nature made them that way.

    • shea duane profile image

      shea duane 

      6 years ago from new jersey

      fleas are the worst thing ever! my poor kitties!

    • mistyhorizon2003 profile imageAUTHOR

      Cindy Lawson 

      6 years ago from Guernsey (Channel Islands)

      Cheers Eddy, thanks for the 'up up' vote. You have a great day too :)

    • Eiddwen profile image

      Eiddwen 

      6 years ago from Wales

      Very interesting mistyhorizon,

      Thanks for sharing and it has to have my up up and away!!!

      Take care and have a great day.

      Eddy.

    • mistyhorizon2003 profile imageAUTHOR

      Cindy Lawson 

      6 years ago from Guernsey (Channel Islands)

      Hi PCunix, I know what you mean about the bed bugs. On the documentary I saw one girl brought bed bugs home (by accident) in her luggage that they had got into whilst she was staying in a hotel bedroom.

    • mistyhorizon2003 profile imageAUTHOR

      Cindy Lawson 

      6 years ago from Guernsey (Channel Islands)

      There could definitely be something to it Bob, it makes sense, although I would be interested to see the studies to be convinced further as not all blood suckers pass on diseases, and those that do may not have been doing so forever. Some of the blood suckers live in the sea for example (there is a type of sea snail etc), and to the best of my knowledge they don't pass on diseases.

      Cheers

      Cindy

    • Pcunix profile image

      Tony Lawrence 

      6 years ago from SE MA

      The threat of bedbugs is so common now that I don't even want to travel any more because of having to stay in a hotel.. though at least they aren't (yet) passing in fatal diseases as mosquitos are.

    • diogenes profile image

      diogenes 

      6 years ago from UK and Mexico

      HI Misty: Yes, it is still a theory, but many scientists believe it exists (see studies online) Bob

    • mistyhorizon2003 profile imageAUTHOR

      Cindy Lawson 

      6 years ago from Guernsey (Channel Islands)

      That is an excellent theory Bob (Genetic Memory), and it does make perfect sense as even ticks can pass on Lymes disease, Vampire bats rabies, mosquitoes Malaria (amongst other horrible things including parasites) etc.

      Thanks for the added information :)

      Cindy

    • diogenes profile image

      diogenes 

      6 years ago from UK and Mexico

      Hi Misty. It is undoubtedly "genetic memory" that makes blood sucking creatures so abhorrant to us. It's not the blood meals they take, it's the pathogens they often pass with the saliva used to ease blood flow. I worked for a time for the Center for Tropical Diseases in Mexico studying the devastation caused by the "Kissing Bug,": or Reduviid Bug. This causes Chagas disease a disease that is incurable if not caught early (which it rarely is). The reduviids live by the hundreds in old dwellings and come down at night for their blood meals. As they bite, they walk about on their own excreta and may affect the victim with trypanosomiasis - similar to the Tsetse fly problem.

      The government wont spend the money for eradication or innoculation and the result is hundreds of thousands dying in later life.

      And there's plenty more...

      Bob

    • mistyhorizon2003 profile imageAUTHOR

      Cindy Lawson 

      6 years ago from Guernsey (Channel Islands)

      I spend so much time removing ticks from my cats it is unreal Mark. I can't help but wrinkle up my nose as I twist each one out of my pets. You do know they will still attach to you if they come across you don't you? Happened to me once and I was horrified and disgusted.

      Glad you enjoyed the article and cheers for sharing your thoughts :)

    • Mark Ewbie profile image

      Mark Ewbie 

      6 years ago from UK

      Yeah, I'm not very keen on consuming or being consumed. So I'm the squeamish sort. However, I do admit a certain fascination for the tick that you might find on a dog. It's the dogs blood not mine which helps.

      But really it's that evolution thing - where different creatures rely on having another creature to eat. It's chicken and egg, or more accurately tick and dog - which came first?

      I need to go and stop thinking about blood. Nice article though.

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