What are leeches good for in the environment?



  1. 0 Votes

    Although it is a stretch, leeches are quite effective at removing toxins from blood and purifying it. I could imagine is a population that is commonly preyed upon by leeches that has a toxin or other poison in its blood could benefit from repeated blood-sucking by leeches. This natural process has been embraced by humans in a practice called Hirudotherapy, an ancient practice that uses leeches to cure medical ailments.

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