Ergotism is a toxic illness caused by eating grain contaminated with the fungus Claviceps purpurea or from taking high doses of ergot-based medications. The fungal toxins choke off blood flow and scramble communication in the nervous system. This causes symptoms ranging from burning sensations and gangrene in the limbs to seizures and terrifying hallucinations.
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Centuries ago, entire villages would suddenly descend into madness, suffering from vivid hallucinations or watching their limbs blacken. This wasn't a curse, but a parasitic fungus called Claviceps purpurea that replaced healthy grains of Rye with toxic purple spurs.
When milled into flour, these spurs released a cocktail of chemicals that constricted blood vessels and hijacked the nervous system.
Historically, the condition was called Saint Anthony's fire because monks of that order specialized in treating it. They cured victims simply by feeding them uncontaminated wheat bread, away from the tainted rye.
Some historians believe this mass poisoning even triggered the Dancing Plague of 1518, where hundreds danced until exhaustion.
In 1951, the French village of Pont-Saint-Esprit experienced a strange outbreak where residents saw monsters before leaping from windows. Their bread had been contaminated with ergot, the same substance chemist Albert Hofmann was studying when he synthesized LSD.
The same Alkaloid that once caused medieval twitching is now carefully refined to treat severe migraines.
The fungus Claviceps purpurea infects cereal crops like rye, replacing healthy kernels with dark-purple, club-shaped spurs called ergot bodies. These fungal bodies produce potent chemicals known as ergot alkaloids, including ergotamine and ergocristine.
Inside the human body, these compounds cause severe vasoconstriction, meaning they tightly narrow blood vessels. This starves distal extremities like fingers and toes of oxygen and blood, causing skin peeling, edema, loss of peripheral sensation, and dry gangrene where dead tissues eventually fall off.
The alkaloids also mimic natural hormones and neurotransmitters. By interfering with the nervous system, they provoke violent muscle spasms, seizures, vomiting, mania, and vivid psychosis.
In medieval Europe, gangrenous ergotism was known as Saint Anthony's fire or the holy fire, after the monks who cared for victims whose limbs could rot and fall off. The monks of the Order of Saint Anthony treated sufferers by providing them with uncontaminated wheat bread.
Historians have recorded dozens of massive epidemics. In 944 AD, an outbreak in France caused widespread convulsions and gangrene, while an 857 AD chronicler described a plague of blisters where limbs fell off before death. Another epidemic in Sologne, France, killed over 8,000 people in 1778.
Some historians suggest that convulsive ergotism from tainted rye bread triggered the bizarre symptoms of bewitchment reported during the 1692 Salem witch trials.
Modern farming keeps ergot out of food using basic physical separation. Farmers float harvested grain in a brine solution; contaminated ergot bodies float to the surface while healthy grains sink to the bottom.
Agricultural management stops the fungal life cycle in the field. Deep-ploughing buries ergot spurs more than one inch (2.5 cm) beneath the soil, preventing them from germinating and releasing spores into the air. Because ergot spores only survive for one year, rotating fields with non-susceptible crops eliminates remaining fungus.
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Yes. Ergotism can occur from high doses of ergot-derived drugs like ergotamine or methylergometrine. It also happens when moderate doses of these medications interact with potentiators such as the antibiotic erythromycin.
Ergot alkaloids can transfer from mother to child through breast milk during lactation. Ingesting milk with these alkaloids can cause ergotism in nursing infants.
Part of the Set · 7 cards
It started as a fungus on rye bread. Then a chemist, the CIA, Congress and psychiatry each found out what it does to a brain.
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