What you need to know about sarin gas

BYLINE: Emily Drooby

After a chemical attack killed more than 80 people in Syria's Idlib province, evidence is starting to suggest the victims were exposed to sarin gas.

This odorless, colorless, tasteless and clear agent is considered a human-made chemical warfare agent specifically classified as a nerve agent.

It's not natural and was first made back in 1938 in Germany, but was originally designed as a pesticide.

The CDC says that nerve agents cause the body's enzymes to stop working properly. An enzyme "acts as the body's 'off switch' for glands and muscles." This means they're constantly working and some people then become so tired they stop breathing.

Sarin evaporates quickly, meaning it easily spreads through the air but it's only a threat for a short amount of time.

It's fairly easy to be exposed to Sarin. It can be ingested via food and water, breathed in and can get through skin and/or eye contact. It's even possible for a person's clothing to release sarin after exposed, which can put others at risk.

How you're affected depends on the level of exposure. People that are severely exposed are likely to die and to experience severe symptoms like paralysis and convulsions.

Antidotes are available for Sarin. In fact, one doctor told TIME that the reason he thinks sarin or a similar agent was used in the Syrian attack is that when they gave patients the antidotes they responded right away.

If you are ever in an area with sarin gas, get to high ground. The agent is heavier than air so it tends to sink.

RELATED: See images of the deadly gas attack in Syria

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ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATH A man carries the body of a dead child, after what rescue workers described as a suspected gas attack in the town of Khan Sheikhoun in rebel-held Idlib, Syria April 4, 2017. REUTERS/Ammar Abdullah
ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATH People stand near a dead body, after what rescue workers described as a suspected gas attack in the town of Khan Sheikhoun in rebel-held Idlib, Syria April 4, 2017. REUTERS/Ammar Abdullah
A man breathes through an oxygen mask as another one receives treatments, after what rescue workers described as a suspected gas attack in the town of Khan Sheikhoun in rebel-held Idlib, Syria April 4, 2017. REUTERS/Ammar Abdullah
A man breathes through an oxygen mask, after what rescue workers described as a suspected gas attack in the town of Khan Sheikhoun in rebel-held Idlib, Syria April 4, 2017. REUTERS/Ammar Abdullah
ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATH Men stand near dead bodies, after what rescue workers described as a suspected gas attack in the town of Khan Sheikhoun in rebel-held Idlib, Syria April 4, 2017. REUTERS/Ammar Abdullah
EDITORS NOTE: Graphic content / A Syrian child receives treatment at a hospital in Khan Sheikhun, a rebel-held town in the northwestern Syrian Idlib province, following an attack on April 4, 2017. A suspected chemical attack killed at least 58 civilians including several children in rebel-held northwestern Syria, a monitor said, with the opposition accusing the government and demanding a UN investigation. / AFP PHOTO / Omar haj kadour (Photo credit should read OMAR HAJ KADOUR/AFP/Getty Images)
A man holds an injured baby inside a Turkish ambulance as injured Syrian people enter into Turkey from the Cilvegozu border gate in Hatay province, near the Syrian border on April 4, 2017. Turkish President Recep Tayyip Erdogan in a phone call with Russian counterpart Vladimir Putin on April 4, 2017 condemned a suspected chemical attack in northwestern Syria as an 'inhuman' strike that could endanger peace talks based in the Kazakh capital. / AFP PHOTO / DOGAN NEWS AGENCY / - / Turkey OUT (Photo credit should read -/AFP/Getty Images)
IDLIB, SYRIA - APRIL 4: A wounded kid receives medical treatment at sahra hospital after Assad Regime forces's attack with chlorine gas to Khan Shaykhun town of Idlib, Syria on April 4, 2017. (Photo by Abdulghani Arian/Anadolu Agency/Getty Images)
IDLIB, SYRIA - APRIL 4: A woman gets treatment at a hospital after Assad Regime forces attacked with suspected chlorine gas to Khan Shaykhun town of Idlib, Syria on April 4, 2017. (Photo by Bahjat Najar/Anadolu Agency/Getty Images)
IDLIB, SYRIA - APRIL 4: A child gets treatment at a hospital after Assad Regime forces attacked with suspected chlorine gas to Khan Shaykhun town of Idlib, Syria on April 4, 2017. (Photo by Bahjat Najar/Anadolu Agency/Getty Images)
ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATH A man carries the body of a dead child, after what rescue workers described as a suspected gas attack in the town of Khan Sheikhoun in rebel-held Idlib, Syria April 4, 2017. REUTERS/Ammar Abdullah TPX IMAGES OF THE DAY
A crater is seen at the site of an airstrike, after what rescue workers described as a suspected gas attack in the town of Khan Sheikhoun in rebel-held Idlib, Syria April 4, 2017. REUTERS/Ammar Abdullah TPX IMAGES OF THE DAY
Turkish officials with chemical clothes carry a injured man on April 4, 2017 in Hatay province, near the Syrian border. Turkish President Recep Tayyip Erdogan in a phone call with Russian counterpart Vladimir Putin on April 4, 2017 condemned a suspected chemical attack in northwestern Syria as an 'inhuman' strike that could endanger peace talks based in the Kazakh capital. / AFP PHOTO / DOGAN NEWS AGENCY / - / Turkey OUT (Photo credit should read -/AFP/Getty Images)
EDITORS NOTE: Graphic content / Bodies lie in the parking area of a hospital in Khan Sheikhun, a rebel-held town in the northwestern Syrian Idlib province, following a suspected toxic gas attack on April 4, 2017. A suspected chemical attack killed at least 58 civilians including several children in rebel-held northwestern Syria, a monitor said, with the opposition accusing the government and demanding a UN investigation. / AFP PHOTO / Omar haj kadour (Photo credit should read OMAR HAJ KADOUR/AFP/Getty Images)
IDLIB, SYRIA - APRIL 4: A child gets treatment at a hospital after Assad Regime forces attacked with suspected chlorine gas to Khan Shaykhun town of Idlib, Syria on April 4, 2017. (Photo by Bahjat Najar/Anadolu Agency/Getty Images)
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