Love Cats? Here’s the hidden parasite they might be passing to you: Researchers have discovered a potential "off-switch" for the brain parasite Toxoplasma gondii by disabling a specific protein, ...

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.

A microscopic parasite that can live for decades in the human brain infects an estimated one-third of the world’s population — usually without causing symptoms. But in people with weakened immune ...