How Gross Was the Past, Really?
In a Nutshell
Pre-modern hygiene was far worse than most people realize: Romans shared parasite-infested sponges, medieval streets were open sewers, and entire households bathed in the same filthy water. Medical care relied on bloodletting and surgeons who never washed their hands, killing patients who would have survived. These practices weren't stupidity—they were the best options available before germ theory and modern sanitation existed.
These notes were generated by AI and may contain inaccuracies.
Right now, you're probably clean. You showered this morning or yesterday, or at worst, the day before. You have running hot water, soap that actually kills bacteria, toilet paper, and a toilet that flushes. You live in conditions that most humans who ever existed would consider a miracle. Most of them did not have any of that, and the ways they managed without it were in some cases genuinely stomach turning.
Despite being the most technically advanced civilization of the ancient world, the Romans had aqueducts delivering fresh water into the city from mountain springs miles away. They had sewer systems so large you could row a boat through the main channel. They had public bathhouses where thousands of citizens bathed every day. By the standards of their era, they were a hygienic civilization.
The Romans shared a single sponge on a stick to wipe themselves after using the toilet. It was called a tersorium, a sea sponge fixed to the end of a wooden rod roughly the length of your forearm. It sat in a bucket of saltwater or vinegar in the corner of public latrines, which were communal, open social spaces where Romans thought nothing of sitting side by side doing their business while having a conversation. When you were finished, you reached for the tersorium, used it, dipped it back in the bucket, left it for the next person. The vinegar had mild antiseptic properties and they understood this empirically even without knowing why.
A 2012 study by Philippe Charlier and colleagues published in Clinical Infectious Diseases found that Roman public latrines were actually efficient vectors for intestinal parasites and infection in part because of the communal sponge. The Romans had a sewer system that still functions in parts of Rome today. They also gave each other worms.
Before toilet paper existed, people wiped with whatever was nearest and practical. Ancient Greeks used smooth pebbles called pesoi. Medieval Europeans used moss, leaves, hay, or simply their hand in a water source. American colonists used corn cobs, dried, smooth, widely available, and evidently effective enough that houses well into the 19th century kept a bucket of them on hand.
The Farmer's Almanac, which many households had, was printed with a hole in the corner, not for decoration, but so it could be hung in the outhouse and used page by page. Before mass paper production, ordinary people improvised, and the improvisation was highly regional, seasonal, and deeply practical.
In the 1700s, heating enough water to fill a tub was a significant undertaking. Carrying water from a well or river, heating it over a fire pot by pot was hours of labor. So, when a household bathed, they bathed in the same water. All of them in order of social importance. The father went first while the water was hot and clean, then older male relatives, then the mother, then the children working down from eldest to youngest. By the time the baby of the household got in last, always last, the water was cold, brown with dirt and soap scum, and had already been used by everyone else in the house.
The expression "don't throw the baby out with the bathwater" exists because the water was genuinely murky enough to hide an infant. That saying has been around since at least 1512, first recorded in a German text, which tells you how long families have been bathing this way and how widely known the practice was. Working families in the 1700s, many of whom bathed roughly once a month, went through this process every single time. The father got a bath. The baby got warm soup with a body in it.
When you needed to use the bathroom in the middle of the night, you used the chamber pot, a ceramic or metal bowl kept under the bed specifically for this purpose. You did your business into the pot in the dark next to wherever you were sleeping, and in the morning you opened the window and threw the contents into the street below. Not quietly, there was a shout first - the French "gardez l'eau" meaning "watch out for the water" which is also where the modern English word "loo" comes from.
The street outside a medieval or early modern home was the combined destination of every household's chamber pots, kitchen waste, animal droppings, and general refuse. Pavements as a concept barely existed. You walked in what accumulated there. In summer in a large city, this was not just unpleasant. Contemporary sources describe the smell of medieval Paris and London as something detectable a significant distance from the city walls. A Venetian diplomat visiting Paris in the 15th century noted the smell as reaching him at what he estimated was roughly half a day's ride from the city. This continued in parts of European cities well into the 1800s.
The river Thames in London was essentially an open sewer by the mid 19th century. In the summer of 1858, the smell from the Thames became so severe during a heat wave that Parliament, located directly beside the river, was unable to function. Members of Parliament soaked the curtains in chloride of lime trying to mask it. This event was called the Great Stink, and it was directly responsible for Parliament finally funding the construction of London's modern sewer system, designed by engineer Joseph Bazalgette and completed in 1875.
For most of London's history before that, the water people drank came from the same river the city used as a toilet. Parasites were not a problem of the poor. They were a problem of everyone. When archaeologists excavated the remains of Richard III in Leicester in 2012, they found his skeleton heavily infested with roundworm eggs. Richard III, King of England, one of the most powerful and presumably well-cared for individuals in 15th century Europe, had roundworm.
When the preserved remains of Ferdinand II, King of Naples, who died in 1496 were examined, he was found to have both head lice and pubic lice simultaneously. Medieval and early modern latrines across Europe, when excavated, consistently show parasite eggs across all social classes. A 2013 study published in The Lancet Infectious Diseases examining parasite remains in medieval Cambridge found that intestinal worms were so prevalent that they must have been considered a normal part of life. People didn't go to a doctor because they had worms. Having worms was just what having a body was like.
The standard medical response to almost any disease in Europe for roughly 2,000 years was bloodletting - removing blood from the patient either by cutting a vein directly or applying leeches. The underlying theory came from ancient Greek medicine. Illness was caused by an imbalance in four bodily fluids: blood, phlegm, yellow bile, and black bile. To restore balance, you removed the excess. For fever, remove blood. For infection, remove blood. For a broken bone, for a headache, for a cough, for childbirth complications, remove blood.
A patient with a fever is already dehydrated and stressed. Removing blood made the situation critically worse. A patient with an infection needs a functional immune system. Removing blood reduced that capacity significantly. The practice killed patients who would otherwise have recovered. It was the standard of care.
The people performing it were barber surgeons. The same man who cut your hair also performed bloodletting, extracted teeth and amputated limbs often in the same chair with the same tools without cleaning them between procedures. The red and white striped pole outside a barbershop today is a direct legacy of this. The red represents blood. The white represents the bandages used to stop it.
George Washington was in good health until December 1799 when he developed a throat infection, likely epiglottitis, which is serious but survivable with rest. His doctors removed roughly 2.5 liters of blood from him across his final day of treatment. An average adult body contains about 4.5 to 5.5 liters of blood total. They removed nearly half of his. Washington almost certainly would have survived the original infection. He died from the treatment the following morning.
The surgeon who amputated your leg in the early 19th century considered the blood stains on his coat a mark of professional distinction. The darker and more layered the stains, the more operations performed, the more experienced the surgeon. Washing the coat would have seemed as strange to him as not washing it seems to us. He had no germ theory. He didn't know that the dried blood from a previous patient's infected wound transferred to his hands then to your open incision was why surgical wards had mortality rates approaching 50% for major procedures.
When Ignaz Semmelweis demonstrated in 1847 that requiring doctors to wash their hands in chlorinated lime solution before delivering babies reduced the mortality rate in his maternity ward from around 18% to under 2%, the medical establishment rejected him. His colleagues found the suggestion that they were killing their patients through unwashed hands personally offensive. Semmelweis was eventually committed to a psychiatric institution where he died in 1865.
Two years later, Joseph Lister published his work on antiseptic surgical technique and proved that Semmelweis had been completely right. The medical establishment spent 18 years dismissing the man who had figured out how to stop surgeons from killing their patients.
Romans washed their clothing in fermented human urine. Fullers, textile workers, collected urine in large pots placed outside their shops. Passers-by would urinate into the pots. The urine was left to ferment, producing ammonia, and the ammonia was used to break down grease and protein stains in fabric. This genuinely worked. Ammonia is an effective cleaning agent. Roman clothes were clean, and the chemistry behind why they were clean was real, even if the Romans had no name for the chemistry.
The emperor Vespasian actually taxed the collection of urine producing the phrase "pecunia non olet" - "money does not smell" - after his son objected to the revenue source. The same Romans also used urine as mouthwash for teeth whitening. Catullus the Roman poet mocked a man for having unusually white teeth implying he used a great deal of urine to achieve them. The Portuguese specifically imported Spanish urine for this purpose. They were doing applied chemistry before the field existed. The results were effective. The method remains completely revolting.
For most of human history, you shared bath water with your entire household and got in last. Your toilet was a pot under the bed that you emptied out the window every morning. If you lived in a city, the street outside your home was where all of that went, along with everything from every other house on the street. If you were sick, someone removed your blood. If you needed surgery, the surgeon wiped his hands on his coat and got started. If you had worms, and you almost certainly had worms, nobody thought it was worth mentioning. If you needed to clean your clothes, you used what was available, which in Rome was whatever your neighbors put in the pot outside.
Every single person who lived through any of this thought it was normal, because it was. It was all they had ever known. And in most cases, it was the best available option given what they understood. The Romans weren't stupid for sharing the sponge. They didn't know about bacterial transmission. They were rinsing it in what they had empirically found seemed to help. George Washington's doctors weren't incompetent. They were following the best established medical consensus of their era. The families bathing last to first in one tub of water were conserving an enormous amount of labor and had no reason to think it caused any harm. They were all doing their best with what they knew. They just knew considerably less than we do. And the gap between what they knew and what we know is why the baby always ended up in brown water.
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