BROADCASTS.com

b'Giardia may be the most common intestinal parasite in the US and one of the most common worldwide, but did you know it was only in the last 40 years that it was officially recognized as a human pathogen?! In today\\u2019s episode, we\\u2019ll travel back to a time before humans knew microbes even existed to discover alongside Leeuwenhoek a whole new world of animalcules like giardia. We\\u2019ll find out how seeing these critters for the first time changed everything, and how long it has taken to recognize their impact on the globe. Plus, we\\u2019ll tell you all about how giardia gives you such bad poops.\\n\\nSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.'