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Poisonous snakes can for sure cause fear and some of the most negative feelings towards some this crawling part of the animal world. The toxic secretion 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. Though the risk of bites remains high when you accidentally come across them, poisonous snakes prove in fact disarmed as they rely on their venom to survive: snakes only bite to hunt or defend themselves . The rest of the negative impression on snakes results from a faulty perception nurtured by ancient myths.

The venom structure difficulty is amazing: the paralysis and eventual death of the prey are caused by a smart blending of proteins and toxins. The toxin attacks the heart, the lungs and the muscles first, and depending on this action mode scientists have classified poisonous snakes into class that destroy blood vessels and start an unstoppable hemorrhage, venomous species that have a paralyzing effect on the heart and, last but not least, others that only cause excruciating muscle pain. Corals and cobras would thus engage the first positions in a top of the most poisonous snakes.

The aggregation structure of the snake venom still fascinates scientists, and lots of tests are still conducted on it. The only cure for poisonous snakes bites consists of the immediate administration of antivenins. There are however some factors that increase or decrease the victim's chances of staying alive: 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 death from such accidents is a rarity in our times since medical assistance is not a problem anymore. Other relatives of the rattlesnake include the water moccasin, the cottonmouth or the copperhead; they are highly poisonous snakes too that would surely mark the days of anyone who gets bitten. Stressful incidents involving snake attacks are often behind snake phobia or this excessive fear can be the result of sociological ancestral beliefs 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 graphical stylizations of snakes in our arts and cultures go back to the ancient mythical times. On the one hand, serpents are part of ecosystems, with a major function in the development of certain species, and secondly they remain symbols of deep meanings. Their hunting mice and rats keeps pest under control 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 immutable circle of life and death or wisdom.

All types of snake-related myths have been identified everywhere in the world: for the old Greeks the snake represented the symbol of fertility; Mesopotamians and Semites considered this animal immortal because it shed its skin and it rejuvenated its appearance periodically; Indians, Siamese and Burmese considered the snake the embodiment of a demon that also had its good parts.