Jun 21, 2026 · 7 min · 9 segments
Doctors once used blood-sucking leeches as medicine... and they were as popular as Panadol. This episode will answer questions like: - What is a leech? - How were leeches used in old medicine?…
"I want to suck your blood."
But have you met my creepy, crawly friend here from Leechtenstein?" [leech splattering]
They're like little worms, and they bite you, and you bleed after that.
They suck your blood.
This is a leech, a type of worm-like creature with three jaws, five pairs of eyes, hundreds of teeth, 10 stomachs, 34 brains, and nine sets of testicles.
Sorry, what?
Did she just say...
[laughs]
I mean, there are 500 different species, so they're probably all a bit different, but the leech I just mentioned was obviously the most noteworthy.
"I want to suck your blood."
But have you met my creepy, crawly friend here from Leechtenstein?" [leech splattering]
They're like little worms, and they bite you, and you bleed after that.
They suck your blood.
This is a leech, a type of worm-like creature with three jaws, five pairs of eyes, hundreds of teeth, 10 stomachs, 34 brains, and nine sets of testicles.
Sorry, what?
Did she just say...
[laughs]
I mean, there are 500 different species, so they're probably all a bit different, but the leech I just mentioned was obviously the most noteworthy.
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