A large, snow-white ulcer swelled up on the dangly tissue at the back of a man's throat, but doctors couldn't immediately explain why. It turns out that a single-celled parasite was the culprit, and ...

A man unwittingly picked up a parasite, and years later, it triggered a throat infection. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A large ...