A brain parasite already living inside one-third of humanity is now the subject of alarming new research, and disclosure advocates say the classified files Trump just ordered to be released may hold ...

A common parasite long thought to lie dormant is actually much more active and complex. Researchers found that Toxoplasma gondii cysts contain multiple parasite subtypes, not just one sleeping form.

You can take certain steps to lower your chances of becoming an unwitting host to one of these nasties. Practicing basic hygiene is key, Mena Lora says. Wash your hands with soap regularly, use insect ...

Parasites can cause a wide range of diseases in humans, ranging from short-term to lifelong. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.