1) NERVE AGENTS:
The most toxic of the chemical weapons, nerve agents affect the nervous system and are hazardous in their liquid and gas states. They can be delivered in missiles, bombs, rockets, artillery shells and other large munitions.
The Syrian regime is believed to possess tabun, sarin and VX. Absorbed through the skin or inhaled, these agents can—within seconds or minutes depending on the dose—cause extreme runny nose and salivation, blurred vision, nausea, vomiting, diarrhea and convulsions.
Death is generally caused by paralysis of the respiratory system, which causes the victim to suffocate.
Germany developed the first nerve agents before and during World War II, although the Nazis did not use them during the war. The only time nerve agents are believed to have been used on the battlefield was in the 1980s Iraq-Iran war.
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