<p>This is Part IV of On Point's series Week of Wonder.</p>

<p>Parasites are the cause of numerous debilitating diseases, so it’s easy to think of them as doing no good. But losing parasites could have devastating consequences for our ecosystem. Chelsea Wood join Meghna Chakrabarti. </p>

This is Part IV of On Point's series Week of Wonder. Parasites are the cause of numerous debilitating diseases, so it’s easy to think of them as doing no good. But losing parasites could have devastating consequences for our ecosystem. Chelsea Wood join Meghna Chakrabarti.

Week of wonder: The case for preserving parasites

Get ready for your aha moment: Every weekday, host Meghna Chakrabarti pierces your news bubble to expose the whole story. Getting answers to the questions that need to be asked, examining our history and the human condition. No topic is too complicated or off the table. It’s all On Point.

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Week of wonder: The case for preserving parasites

Week of wonder: The case for preserving parasites

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