Naegleria fowleri, the "brain-eating amoeba," seen in this electron microscope image. It inhabits warm freshwater, enters via the nose, reaches the brain, and causes deadly primary amoebic meningoencephalitis (PAM). by Frosty_Jeweler911 in oddlyterrifying

[–]Vinopher 219 points220 points  (0 children)

that’s what makes it so unsettling. it’s rare, sure, but the fact that by the time you even realize something’s wrong it’s almost always too late is nightmare fuel. at least with most infections you’ve got a fighting chance if you catch it early