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The Doctor Who Invented Corn Flakes
The inventor of Corn Flakes believed cinnamon was morally suspicious and flavour was a threat to virtue. This episode explores the strange story of John Harvey Kellogg, his wellness empire, his…
When Flight Attendants Started Sweating Blood
In 1980, flight attendants began apparently sweating blood on flights between New York and Florida. The CDC investigated. The explanation was not what anyone expected. Also featuring blue sweat, pink…
Why Do We Itch? | The Itchy and Scratchy Show
This episode explores the biology of itching. Including NASA’s emergency Velcro patches, exploding lice in World War I trenches, contagious scratching, "amphetamites", mosquito mouth-javelins, and…
What Does Your Urine Say About You?
This episode explores what urine can reveal about you — from pregnancy and diabetes to drugs, disease, and genetic disorders. Including ancient Egyptian pregnancy tests, beetroot-induced panic, blue…
The Strange Science of Sneezing
This episode examines the odd biology and even odder rituals surrounding sneezing. Including sunlight sneezes, chocolate sneezes, and why on earth we feel compelled to bless them.
Doctor, Or Piss Prophet? The History of Uroscopy
For thousands of years, doctors believed urine revealed the hidden workings of the body. By peering at a patient’s wee, they diagnosed everything from epilepsy to death — sometimes without even…
When Doctors Got it Wrong: Prescribing the Sun
If you were feeling sickly 100 years ago, your doctor might have prescribed a loincloth, a bed, and a sun-drenched balcony in the Swiss Alps. No blood tests or scans — your degree of tan would…
DNA, Twins, and the Serial Killer Who Never Existed
Your DNA can build a body, grow a tumour, or implicate you in a crime. This episode explores what happens when DNA evidence meets identical twins, and why one of Europe’s most feared serial killers…
Could You Get a Voice Transplant?
If you’ve ever heard a recording of your own voice, you may have wished for a voice transplant. But would it be possible? This episode explores why your voice is more than your voice box — and what…
Heartburn – And Why Astronauts Love Shrimp
Your oesophagus was never designed to handle acid splashes — and yet, sometimes it has to. This episode looks at heartburn — why it happens, the neat trick emergency doctors use to distinguish it…
How to Actually Stop Hiccups
Over the centuries, doctors have tried everything to cure hiccups — from sugar to shock to what modern medicine would classify as controlled drugs and poisons. This episode looks at what hiccups…
The Myth of Human Pheromones (and What Your Upper Lip Reveals About It)
Many animals use chemical signals — pheromones — to find mates, mark territory, and warn of danger. Humans, despite popular belief, can’t detect them. This episode examines these signals — including…
The Man With a Window Into His Stomach
A strange accident in 1822 left a man with a window through his chest into his stomach. What followed was one of the most unusual series of experiments in medical history — revealing how digestion…
Why Some People Sweat Blood
Can stress really make someone sweat blood? In rare cases, yes. This episode explores the strange condition known as hematidrosis — and why hippos seem to have it too.
The Truth About Cracking Your Knuckles
People have long warned that cracking your knuckles causes arthritis. But does it? And what actually makes the sound? This episode explores the surprisingly contentious science behind one of the…
What Your Muscles Would Taste Like
When you eat meat, you’re eating muscle — the same tissue that moves your own body. This episode explores the anatomical overlap between butcher’s cuts and human muscles, and what cannibals and…
Why Your Ears Are Full of Water (and Why Loud Noise Can Destroy Them)
Within each of your ears is a fluid-filled shell left over from our aquatic past. This episode examines how hearing depends on that miniature ocean, and why excessive noise — from jet engines to…
How Locking Humans Underground Revealed Our Body Clock
No windows. No watches. No TV. When humans were sealed underground for weeks at a time without clocks, their biology kept time anyway. This episode explores the bunker experiments that revealed the…
Why Teething Should Be Treated With Palliative Care
Teething hurts, but it is not a disease. From hare-brained remedies to modern misunderstandings, this episode explains why the correct treatment for teething is palliative — and why that’s less…
Jet Lag Isn’t Your Fault
From Magellan’s three-year voyage to the invention of the International Date Line, this episode explores how humans resolved the problem of lost and gained days on paper — but not in human physiology.
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Unhealthy Curiosity has published 23 episodes since February 2026, covering topics in Life Sciences, Science.
Unhealthy Curiosity is currently highly active with new episodes weekly. Average episode length is 11m.
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