Show Notes
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 from a heart attack, and what spaceflight reveals about reflux.
More from Unhealthy Curiosity
You can fly, turn invisible or ride a giraffe through an airport in your dreams. But there are three perfectly ordinary activities that almost never make an appearance. This episode explores a bizarre peculiarity of dreaming, what it might tell us about the evolution of the human brain, and why even Freud probably didn't want to hear about your dreams.
Pain is miserable, but living without it is considerably worse. This episode explores the extraordinary lives of people born unable to feel pain, from a 1930s vaudeville performer (the "Human Pincushion") to a man who had both legs amputated without painkillers, to discover why pain hurts quite so much – and why your survival depends on it.
How do you know whether you’re actually asleep? People with paradoxical insomnia can spend the night convinced they’re wide awake, while their brainwaves insist otherwise. This episode explores what happens when your experience of sleep disagrees with the electrical evidence, why the sleeping brain may be more awake than we once thought, and whether you might actually be getting more sleep than you realise.
This episode explores how drugs, foods, poisons, cosmetics and assorted bodily malfunctions can produce human skin in all 7 colours of the rainbow (and how Isaac Newton is to blame for us thinking a rainbow has 7 colours in the first place).
Dehydration. Too much water. Too much exercise. Not enough exercise. Apparently almost anything can cause a muscle cramp. This episode explores why your muscles occasionally seize without permission, what your nervous system has to do with it, and whether magnesium actually helps.