Poisonous snakes are among the most feared creatures in the animal world. The venom of poisonous snakes is so deadly that it can kill one in no more than thirty minutes, not to mention the risk of getting blind if any of the toxins are sprayed into the eyes. Despite the risk of getting bitten in close encounters, poisonous snakes prove in fact harmless as they rely on their venom to survive: no snake will bite unless in defense or to hunt its meal . The rest of the negative aura surrounding snakes results from an obtuse perception powered by ancient myths.
The arrangement of the venom secreted by poisonous snakes is very complex: the paralysis and eventual death of the prey are caused by a smart combination of proteins and toxins. The toxin attacks the heart, the lungs and the muscles first, and depending on this action mode scientists have identified poisonous snakes into class that destroy the walls of the blood vessels and cause unstoppable hemorrhage, venomous species that paralyze the heart and, last but not least, others that inflict excruciating muscle pain. Corals and cobras would thus occupy the first positions in a top of the most poisonous snakes.
The intricacies of snake venom still make the subject of comprehensive scientific studies. The only treatment for poisonous snakes bites is the immediate administration of antivenins. Certain elements do influence the victim's chances of survival: thus, knowing the type of snake that caused the bite and its exact location prove crucial. If too much time lapses between the moment of the bite and the administration of the antivenin, the victim will suffer extensive health damage or even die. Furthermore, there have been cases of patients who developed instant allergies to poisonous snake bites or to antidotes and died.
Rattlesnakes are the most common poisonous snakes in America, and they are the ones to cause most of the bites, yet lethal outcomes of such incidents have become a rarity in our times since medical help is usually very readily available. The water moccasin, the copperhead and the cottonmouth belong to the same poisonous family as the rattlesnake; they are highly poisonous snakes too that would surely mark the days of anyone who gets bitten. Snake phobia could thus be developed because of a dangerous encounter with some poisonous snakes or this excessive fear can have roots in sociological ancestral traditions that are manifest even with people who have never felt threatened by a snake.
The snake is also a symbol not just an animal people feel afraid of. The representations of snakes in our arts and cultures draw their roots from the ancient mythical beliefs. On the one hand, serpents are part of ecosystems, with a well-established role in the existence of certain species, and secondly they remain symbols of profound meanings. Their feeding on mice and rats limits the risk of pest and prevents the over-breeding of these rodents. Yet, in the ancient traditions, types of snake worshiping were part of religious rites, with the serpent symbolizing deities, or the eternal cycle of life and death or wisdom.
All types of snake-related traditions have been identified everywhere in the world: for the ancient Greeks the snake was the a sign of sexual potency; Mesopotamians and Semites considered this animal immortal because it shed its skin and it rejuvenated its look on a regular basis; Indians, Siamese and Burmese considered the snake the embodiment of a demon that also had its good parts.
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