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Science and Nature
Deep Look

How a Kissing Bug Becomes a Balloon Full of Your Blood

See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.

How a Kissing Bug Becomes a Balloon Full of Your Blood

Season 8 Episode 19 | 4m 58s | CC

A kissing bug gorges on your blood. Then it poops on you. And that poop might contain the parasite that causes Chagas disease, which can be deadly. Without knowing it, millions of people have gotten the parasite in Latin America, where these insects live in many rural homes. As if that wasn’t bad enough, the saliva of some kissing bugs in the U.S. can give you a dangerous allergic reaction.

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