A single-celled parasite called Toxoplasma gondii has quietly infected roughly one-third of the global population, settling into brain tissue where it forms cysts that can persist for a lifetime. Most ...
A 27-year-old man will have a scar on his face for the rest of his life, after what he thought was a pimple turned out to be an infected cyst. In late 2024, Kai Davidson noticed a small lump on the ...
About one-third of humanity possesses a parasite concealed in the brain. Long perceived as inactive, it has recently been ...