HeyJaredUnhealthy Curiosity
Curious about why your stomach doesn’t eat itself, or why some people sweat blood? Dr Sarah Holper, neurologist, explores the human body’s features, flaws, and questionable design choices.
- Indexed episodes, last 90 days
- 8
- Latest publication
- Sep 20, 2026
- Audience
- Checking…
- Earliest in this view
- Jul 13, 2026
Latest episodes
Are You Actually Asleep Right Now? (opens the original)
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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.
How to Turn Your Skin Any Colour of the Rainbow (opens the original)
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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).
Why Muscles Cramp (And What to Do About It) (opens the original)
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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.
How Does Your Tongue Know What Things Taste Like? (opens the original)
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How can the hunk of meat in your mouth ‘know’ what the food smeared over it tastes like? This episode explores what actually makes something sweet, sour, salty, bitter or umami, and what maggot-infested cheese, antifreeze and a poisoned Roman emperor have to do with it.
Can a Nosebleed Kill You? (opens the original)
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Spoiler alert: yes. A nosebleed may have finished off one of history's most feared warlords. This episode explores why noses bleed so dramatically, the ingenious anatomy hidden inside your nostrils, exactly what to do the next time your nose starts gushing... and one of the strangest nosebleed case reports ever published.
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