9 interesting facts about leeches

1. Leeches are hermaphrodites
2. A leech has 32 brains.
3. The bite of a leech is actually painless.
4. Leeches are used to treat some diseases. In the past, they were used to cure anything from a headache to gout.
5. A leech has three mouths and Millions of teeth.
6. Leeches can bite through a hippos hide.
7. All ancient civilizations practiced bloodletting including Indian and Greek civilizations.
8. The use of leeches in medicine dates as far back as 2,500 years ago when they were used for bloodletting in ancient India.
9. The use of leeches in modern medicine made its comeback in the 1980s after years of decline, with the advent of microsurgery such as plastic and reconstructive surgeries.