Picture this. It’s the 1790s in France. The staff at a military hospital wakes up to a literal nightmare—a 14-month-old baby is missing from the ward. And according to the story that’s been passed down for over two centuries, nobody bothered checking the window locks or organizing a search party. Instead, every single nurse just slowly turned and stared at one specific guy sitting quietly in the corner. His name was Tarrare.

By this point, this young French soldier already had a rap sheet that reads like a horror movie. He had reportedly eaten live cats, snakes, lizards, stray puppies, and whole, unchewed eels. Even the rotting, diseased garbage right out of the hospital gutters. The guy was constantly, violently starving. Whether he actually harmed that missing infant has never been proven—no body was ever found, and no formal charge or trial followed—but the accusation alone was enough to end his time at the hospital for good.
History loves to write him off as just some sideshow freak or a glutton possessed by a demon. But the actual truth? It points to a totally wild biological glitch that modern doctors still can’t entirely explain. He likely wasn’t some evil monster. He may have simply been someone held hostage by his own insane biology.
The Biology of Tarrare: A Walking Medical Glitch
Born around 1772 near Lyon, Tarrare was reportedly kicked out of his home as a teenager because his family couldn’t afford to keep feeding him. He spent years as a traveling street performer in Paris, eating rocks, corks, and live animals for crowds before joining the French Revolutionary Army in 1792. His hunger got so extreme that military doctors quadrupled his food ration, and it still wasn’t enough.
The wildest part about this case wasn’t just what he put in his mouth. It was how his body actually handled it. Despite eating enough food to sustain roughly fifteen ordinary soldiers in a single sitting, he never gained an ounce. He was just a normal-looking, skinny guy. But his anatomy was deeply, fundamentally unusual.
When his stomach was empty, the skin around his gut reportedly hung so loose that he could wrap the excess skin around his waist like a belt. But when he ate, that same skin would stretch dramatically outward. Military surgeons documented that his jaw could open to an unnatural degree, letting him swallow whole baskets of apples or entire live eels without chewing. The bizarre case of Tarrare completely baffled the smartest medical experts alive at the time. He was also constantly sweating, looked perpetually exhausted, and reportedly gave off such a strong odor that people claimed they could smell him before they saw him.
Weaponizing the Ultimate Appetite
So instead of trying to cure him, the French Revolutionary Army looked at this guy and thought: what a great spy. Military commanders realized someone who could swallow almost anything might make the ultimate courier. So they decided to weaponize his digestive tract.
General Alexandre de Beauharnais reportedly arranged for Tarrare to swallow a small wooden box containing a secret document. The mission: sneak across enemy lines into Prussia, pass the box naturally, and deliver the message to an imprisoned French colonel. The plan failed almost immediately. He was caught, beaten, subjected to mock executions, and eventually released back across the border. He returned to France deeply traumatized, reportedly begging military surgeon Baron Percy to finally cure his endless hunger. If you find stories about the body’s most extreme, unexplained breakdowns disturbing, you might also want to read about the deadly 1518 dancing plague, another medical mystery that has never been fully solved.
Fun Fact
Baron Pierre-François Percy, the military surgeon who treated Tarrare, was one of Napoleon’s own chief surgeons and one of the most respected figures in French military medicine of the era—which is exactly why his detailed notes on Tarrare’s case are still taken seriously by medical historians over two centuries later.
The Hospital’s Breaking Point
Desperate for a normal life, Tarrare reportedly agreed to a series of medical experiments under Dr. Courville and Baron Percy. Doctors tried treating him with laudanum, tobacco pills, and wine vinegar. None of it worked. According to contemporary accounts, he was later caught drinking blood from patients undergoing bloodletting and fighting stray dogs for scraps of rotting meat in nearby alleys.
Then the infant vanished from the ward. Whether or not Tarrare was actually responsible, hospital staff reportedly drove him out for good, convinced the bizarre case of Tarrare had escalated into something far darker than eating garbage. He disappeared from the historical record for several years. He eventually resurfaced, dying of severe tuberculosis around 1798, at roughly 26 years old. According to the account of the physician who examined him, the autopsy revealed an abnormally wide esophagus you could reportedly see straight down into his stomach, a liver and gallbladder far larger than normal, and a stomach covered in ulcers that took up nearly his entire abdominal cavity. The body decomposed so quickly that most surgeons at the hospital refused to even perform the dissection.
Conclusion
Even today, modern science doesn’t have a confirmed diagnosis for what caused Tarrare’s condition. Some researchers point to an extreme form of hyperthyroidism, which can cause insatiable appetite, sweating, and heat intolerance without necessarily explaining every symptom. Others suggest a damaged amygdala, since injury to that part of the brain is known to trigger polyphagia in animal studies. Prader-Willi syndrome has also been proposed, though that condition typically causes obesity, which doesn’t match Tarrare’s persistently thin frame. No modern documented case has ever closely resembled his. Whatever the true cause, his life remains a stark reminder of how fragile and strange human biology can be—someone possibly trapped by a body that never let him feel full, no matter how much of the world around him he tried to consume.
BBC Future — The Tragic Fate of the Man Who Couldn’t Stop Eating
Ripley’s Believe It or Not — The Medical Mystery of Tarrare, a Cannibalistic French Spy
Wikipedia — Tarrare
Did Tarrare actually eat a human baby
It was never proven. A 14-month-old infant went missing from the hospital ward where he was staying, and suspicion immediately fell on him given his history, but no body was ever found and he was never formally charged or tried for the disappearance.
What medical condition did Tarrare actually have
No diagnosis has ever been confirmed. Leading theories include severe hyperthyroidism, a damaged amygdala, or Prader-Willi syndrome, but each theory fails to fully explain all of his symptoms, and no modern case has closely matched his.
Why did the French army use Tarrare as a spy
Military officers believed his ability to swallow almost anything made him an ideal courier. He was reportedly given a small wooden box containing a secret document to smuggle across enemy lines into Prussia, though the mission failed and he was captured almost immediately.
How did Tarrare die
He died of severe tuberculosis around 1798, at approximately 26 years old. His autopsy reportedly revealed an abnormally wide esophagus, an enlarged liver and gallbladder, and a stomach covered in ulcers that filled most of his abdominal cavity.






