Fleas, lice, tapeworms and ticks - these are all examples of parasites, living organisms that live on or in a host species and need this other organism to complete their complex life cycles. Sounds bad, but parasites are essential to a healthy ecosystem! And our guest for this episode says they’re also fascinating and even beautiful. Parasite ecologist Chelsea L. Wood, author of <a href="https://www.goodreads.com/book/show/200450086-power-to-the-parasites">Power to the Parasites</a>, tackles all your parasitic questions in this episode! They include: Why are there worms in our stomachs? Why do fleas bite cats and dogs? Where did head lice come from? Why do lice make you itch? Why do ticks suck our blood? Download <a href="https://npr.brightspotcdn.com/24/4a/25ffc7594eb1b5f18d4702ebc9e8/butwhy-parasites-ep255-transcript.pdf">Transcript</a>

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