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While sleep is often viewed as a peaceful escape from the demands of the day, it’s also when an invisible ecosystem on your face springs to life. Every night, microscopic creatures called Demodex ...

Entamoeba histolytica infects nearly 50 million people each year and kills around 70,000. It’s a shape-shifting parasite that invades the human gut, often causing mild symptoms like diarrhea. But in ...

Medically reviewed by Smita Patel, DOKey TakeawaysBrain parasites can cause seizures and lifelong disabilities.

More than 90% of popular freshwater game fish in Southern California contained an introduced parasite capable of infecting humans, according to a new study from researchers at UC San Diego’s Scripps ...