Parasite

Millions of people may be carrying a microscopic parasite that can form cysts inside the brain, often without causing obvious symptoms. Researchers have spent years investigating whether that quiet infection could influence behavior, brain chemistry, and vulnerability to certain psychiatric conditions. The organism is called Toxoplasma gondii, and its life cycle sounds almost like science …

A parasite linked to severe diarrhea has become the latest obsession on TikTok, where some users are joking that getting infected could be the fastest way to lose weight. Videos referencing Cyclospora have spread across the platform as outbreaks continue to make headlines, turning a serious public health concern into the internet’s newest viral trend. …