Ten deadly poisons and their effects on human
1. Botulinum toxin
Many poisons can be lethal in small doses, because is difficult to identify the most dangerous. However, many experts agree that the botulinum toxin, which is used in the injections Botox for wrinkles is the strongest.
Botulism - this is a serious disease that leads to paralysis caused by botulinum toxin, which produces bacteria Clostridium botulinum. This venom causes nervous system damage, respiratory arrest and death in terrible agony.
Symptoms may include nausea, vomiting, double vision, facial weakness, speech defects, difficulty swallowing, and others. The bacteria can enter the body with food (usually poorly preserved foods) and through open wounds.
2. The poison ricin
Ricin is a natural poison that is produced from castor bean castor bean plants. To kill an adult, just a few grains. Ricin kills cells in the human body, preventing the production of proteins needed him, that ends organ failure. A person can poison ricin via inhalation or after ingestion.
After inhalation poisoning symptoms usually appear within 8 hours after exposure, and include difficulty breathing, fever, cough, nausea, sweating, and chest tightness.
After ingestion, the symptoms appear in less than 6 hours and include nausea and diarrhea (possibly with blood), low blood pressure, hallucinations and seizures. Death can occur within 36-72 hours. 3. Gas sarin
Sarin is one of the most dangerous and deadly nerve gases, which are hundreds of times more toxic than cyanide. Sarin originally was produced as a pesticide, but soon this transparent, odorless gas became a powerful chemical weapons.
A person can be poisoned by inhalation or sarin gas exposure to the eyes and skin. Initially may appear symptoms such as runny nose, and chest tightness, breathing difficult, and nausea.
Then, a person loses control over all the functions of his body and falls into a coma, convulsions and cramps occur until asphyxiation occurs.
This deadly poison found in pufferfish fish kind of organs, used to prepare the famous Japanese delicacy "fugu". Tetrodotoxin is retained in the skin, liver, intestines and other organs, even after the fish has been cooked.
This toxin causes paralysis, seizures, mental disorders and other symptoms. Death occurs within 6 hours after entering the poison inside.
It is known that every year more people die from a painful death for poisoning by tetrodotoxin after fugu consumption.
5. Potassium cyanide
Potassium cyanide is one of the fastest deadly poisons known to man. It may be in the form of colorless crystals and gas wraparound "bitter almonds." Cyanide can be found in certain foods and plants. He is in cigarettes and it is used for plastic production, photos, extract gold from ore and to kill unwanted insects. Cyanide is used in ancient times, and in today's world, it was a method of capital punishment. Poisoning can occur by inhalation, ingestion or even touch, causing symptoms such as seizures, respiratory failure and death in severe cases, which may occur in a few minutes. He kills because binds to iron in the blood cells, depriving them of their ability to carry oxygen.
6. Mercury and mercury poisoning
There are three forms of mercury, which can be potentially dangerous: elemental, inorganic and organic. Elemental mercury contained in mercury thermometers, old fillings and fluorescent lamps, is non-toxic in contact, but can be fatal if inhaled.
Inhalation of mercury vapor (metal quickly turns into a gas at room temperature) affects the lungs and brain, disabling the central nervous system.
Inorganic mercury which is used for the production of batteries, can be fatal if swallowed, kidney damage and other symptoms. Organic mercury in fish and seafood, usually dangerous if prolonged exposure. Symptoms of poisoning may include memory loss, blindness, seizures, and others.
7. Strychnine poisoning and strychnine
Strychnine is a white, bitter, crystalline powder which can fall upon ingestion, inhalation, solution and administered intravenously. It is obtained from the seeds of the tree chilibuha (Strychnos nux-vomica), native to India and Southeast Asia. Although it is often used as a pesticide, it may also be composed of narcotic substances, such as heroin and cocaine.
The degree of poisoning is dependent on the amounts of strychnine and routes of exposure, but in order to cause a grave condition sufficiently small quantity of the poison. poisoning Symptoms include muscle spasms, respiratory failure, and even lead to death of the brain 30 minutes after exposure.
8. Arsenic and arsenic poisoning
Arsenic, which is the 33-th element in the periodic table, has long been synonymous with poison. It is often used as the favorite poison of political killings since arsenic poisoning resembled cholera symptoms.
Arsenic is considered a heavy metal, whose properties are similar to those of lead and mercury. In high concentrations it can cause poisoning symptoms such as abdominal pain, seizures, coma and death. In small amounts, it can contribute to a number of diseases, including cancer, heart disease and diabetes.
9. The poison curare
Curare is a mixture of various South American plants, which were used for poison arrows. Curare used for medical purposes in a highly diluted form. The main poison is an alkaloid, which causes paralysis and death, as well as strychnine and hemlock. However, once there is a paralysis of the respiratory system, the heart can continue to beat. Death by curare slowly and painfully, as the victim remains conscious but can not move or speak. However, if you apply artificial respiration until the poison settles, a person can be saved. Amazon tribes used curare for hunting animals, but the animals poisoned meat was dangerous to those who consume it in food.
Fortunately, the chances to meet this poison is very small. Batrachotoxin contained in the skin of tiny frogs, poison dart frogs, is one of the strongest in the world neytrotoksinov.
Do not produce the poison frogs, it accumulates in the food they consume, mostly small beetles. The most dangerous poison content was found in frog golden poison frog species found in Colombia.
One representative batrachotoxin contains enough to kill two dozen men or more elephants. The poison affects the nerves, especially around the heart, difficult breathing and rapidly leads to death.