| By :
Stewart Wrighter
Have you ever donated blood? Does the sight make you sick? Well there are many who feel like fainting just at the sight of blood. Oddly, the phenomenon is quite common while there is no single known reason for it. Those who are affected break into a cold sweat or feel woozy. At times, you even feel like throwing up. In such a situation, if you do not have paper sacks or personal bags, you might end up in a really embarrassing situation. All those who suffer from this condition feel nauseated only at the sight of real blood. Seeing blood onscreen or in movies does not seem to have any affect. The question is what is it about blood that makes you swoon. First of all, feel lucky if you are just having the feeling but not actually fainting. Most of the times, fainting is the result of reduced blood flow in brain. Common signs are feeling dizzy or getting pale in the face. If you are not actually fainting, the response can well be a result of fear or some kind of emotional distress. Moreover, when you see red, freshly oozing blood, your reaction can well be tied to blood injury phobia. A research has it that this reaction resulted from evolution and can be a means to cope with threats. A likely answer is in evolution: "Whenever, someone with a sharp stick or rock came running towards a second person, a genetic variation over the years allowed some people to faint in response. For instance, the injured warriors who fainted like this in a battle were passed over unharmed. Survivors possessing the fainting gene then passed it on." You may ridicule the idea but if it is about evolution then this is the only possible justification. It is mainly a psychological condition that can well be treated by a therapist. No need to go for drugs, it is not that big a problem. In some cases, fainting at the sight of blood starts right from your childhood. This possibility explains that perhaps this condition has some genetic basis. Here is an example. There was this girl who used to faint at the sight of blood right from when she was a toddler. And it was not a lot of blood that triggered this response but a mere paper cut did the trick. This shows she had something in her genes but a confusing fact is none of her ancestors or parents showed any sign of this condition. Once this possibility is ruled out, the only valid explanation is a physiological one. Whenever you have to see something that gets to you whether it is blood or something else then this immediately affects your blood pressure. A sharp drop in blood pressure is the very reason for dizzy feeling. For some people the condition is not as extreme. They feel woozy at the site of quantities more than a pinprick. However, the condition evades much sooner. For the time being, it is not easy to classify one explanation as the root cause. There can be several reasons coupled in this condition.
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