In the early 20th century, 'baby cages' were popular among parents who believed that putting their children in the cold would build their immunity to minor illnesses.

Improved 19th-century sanitation meant kids encountered polio later, with worse results

Almost all children likely used to contract poliovirus, but scientists suggest that when infants encountered it very early in life—due to poorer conditions and hygiene—they still had some maternal protection from pregnancy or through breastmilk, so the symptoms were more flu-like.

The iron lung—a simple mechanical ventilator—was first used to treat polio

These breathing devices, developed in the late 1920s at Harvard, were used to treat polio patients with breathing difficulties. Watch this video describing how these negative pressure devices work.

The board game Candy Land was invented for children quarantined in polio wards.

The history of many kitchen appliances involves unexpected discoveries and applications, including wartime radar turned hamster defroster and replacing an 'ice king' with heat-stealing boxes.

What are baby bonds?

In 2008, Hillary Clinton proposed giving every US newborn a $5,000 government-funded trust, often called a “baby bond,” to help low-income families build long-term wealth. Supporters said it could reduce wealth inequality, while critics argued existing programs like the Child Tax Credit offered similar benefits.

Jonathan Swift's 'A Modest Proposal' was a satirical call for the poor to eat babies

Written in 1729, the critique shed light on the land policies implemented by the British and supported by the Irish elite that were aggravating Irish poverty. Specifically, public lands used for grazing were being made private via "enclosure." Swift's famous proposal for the poor to eat their own young is one of the most famous examples of satire.

In the 19th century, ice-cream-related illnesses were somewhat regular in America thanks to vendors' poor hygienic practices.

Diphtheria was once a leading childhood killer before antibiotics and vaccines

In 18th- and 19th-century outbreaks, some New England families lost as many as eight children to diphtheria, and fatality rates in hospitals often topped 60%. The invention of antitoxins, penicillin, and vaccines dramatically reduced deaths.

The spooky images of Victorian mothers hiding as their babies posed

Taking pictures of your kids is a huge headache now, but it was even harder for mothers in the Victorian era, when camera technology made posing for photographs difficult. These weird photos will show you how these mothers got their kids to sit...

The history of ectogenesis and artificial wombs

While the science of artificial wombs is new, the idea goes back to a 1923 Heretics Society of the University of Cambridge lecture where an English biologist was one of the first people to propose an egg could be fertilized outside the womb. This...

Sleep training: risks and benefits

Sleep training, which can range from implementing a nighttime routine to letting your baby cry it out, is controversial, but does it work? While dozens of studies have found sleep interventions to be effective, it appears that many of these studies...

Baby monkeys chose a soft, warm doll over a wire one with food

Harry Harlow performed controversial experiments with newborn monkeys, separating them from their mothers and letting them bond with stand-in mother figures made from either wire or figures covered in cloth—both with monkey-like faces. The work investigated touch, bonding, and attachment, and found that monkeys overwhelmingly preferred the cloth dolls over the wire ones in various stressful situations.

Embracing poor hygiene in early life won't stave off allergies

The hygiene hypothesis, first proposed in 1989 by British immunologist David Strachan, suggests that early life exposure to microbes—like those from farm dust or pets—properly trains our immune systems to respond to threats. But sometimes the idea is misinterpreted: It doesn’t mean that poor hygiene—like failing to wash hands–will help ward off allergies; that type of behavior leads to infections and won’t help with allergy prevention.

The history of germ theory, which explains that illnesses are caused by microorganisms

For centuries, the miasma theory, which held that illnesses were caused by clouds of "bad air" produced by decaying organic matter, was the accepted explanation for the spread of disease. The development of microscopes and the subsequent technology to isolate bacteria and test disease spread in mice greatly contributed to contagionists overturning miasmatists.

Connecticut recently became the first state to create and launch a baby bond program, a government-funded savings or investment account that is seeded when a child is born.

Before launching his cereal company, John Harvey Kellogg promoted a eugenics-inspired natural food regimen.

Penicillin ended scarlet fever’s deadly threat to children

Between 1840 and 1883, scarlet fever was among the leading causes of childhood death in the United States, with case fatality rates ranging from 15% to 30%. Today, thanks to antibiotics like penicillin, the mortality rate is below 1%.

In 1933, the influenza virus was first identified through 'ferret flu' experiments, which proved that the disease was viral—not bacterial.

The concept of 'screen time' was invented in 1991

Mother Jones magazine coined the term in an essay called "Primal Screen" about children's television habits. Writer David Engelhardt wrote that they were watching “screens within screens within screens,” and that even babies were averaging an “hour and a half of screen time a day...the typical older child, about four hours."

There have been at least 9 deaths and dozens of reported injuries between 2024 and 2026 from unsafe portable bed rails, products designed for both adults and children.

Eduard Baltzer encouraged 'natural eating' in the 1860s

Historian Corinna Treitel credits the Protestant minister with inventing the concept of “natural eating” in Nordhausen, Germany, in the 19th century. Baltzer believed that people were consuming excessive amounts of schnapps, sugar, and meat, and that this behavior was having a detrimental impact on their lives. He encouraged a diet mostly of fruits and vegetables, though he was not opposed to food grown with artificial fertilizers.

Bottled water started as a 19th-century wellness trend

Selling drinking water in America began at resorts in New York and West Virginia, where tourists were encouraged to take the regenerative mineral water back to their homes.

Beanie Babies used to be viewed by some as alternative investments

Beanie Baby stuffed animals were once a hot collector item with skyrocketing prices as people believed that the toys would significantly grow in value over time.

The first successful IVF pregnancy was in the United Kingdom in 1978

Gynecologist Patrick Steptoe and his collaborator Robert Edwards, a biologist, attempted to fertilize a human egg cell in a petri dish 101 times before finally succeeding. This resulted in the birth of Louise Brown—at the time referred to as a "test tube" baby—in 1978, who was born into the spotlight.

Edward Jenner, the father of vaccinations

The British physician was the first to attempt to inoculate someone from smallpox using its milder cousin, cowpox. His innovations and documentations would prove crucial to the deployment of widespread vaccinations.

Listen to how the 1902 'poison squad' experiments changed food safety in America

As part of government research, a group of young men were paid to eat standard American food—replete with food additives like borax and formaldehyde—which revealed the dangers of unregulated food. The work was led by the first FDA commissioner, Harvey Wiley, who helped end the "century of the great stomachache."

Using artificial wombs to improve preterm infant health outcomes

Researchers at a hospital in the US have successfully used artificial wombs to care for preterm lambs and are now looking at the possibility of human trials. This nine-minute video includes interviews with the researchers and explains the reasoning...

Medieval European winters were colder than ours, but peasants stayed warm

Medieval winters were colder than ours today while the continent was mired in the so-called Little Ice Age. Without modern technologies, peasants survived with simple, sometimes genius, solutions, including central, chimney-less fireplaces (vented by small, draftless vents) and decorative handwarmers.

With the help of one photographer who took photos of children at work, child labor in the US was eventually restricted by law in the mid-1900s.

Broken or neglected air conditioners are risky for respiratory health

A well-maintained air conditioner can typically keep out unwanted pathogens, but units that are dusty or water-logged can foster germs and cause harm. AC units also remove moisture from the air, potentially causing mucus membranes to dry out and become vulnerable to infection.

Mary Cassatt's 'The Child's Bath' was a rare sight for 19th-century art

Drs. Beth Harris and Steven Zucker note that this portrait of an intimate moment between mother and daughter might have been out of place in 1893, but that its subject matter alludes to spiritual images from the Renaissance or Baroque periods.

Agnes Marshall invented 'ices,' the Victorian equivalent of ice cream, and improved the period's hygienic practices for consuming the dessert.