Warning: disturbing images of brain surgery
“Scientists aren’t quite sure how it works, but tapeworm larvae seem to have developed a chemical secretion that keeps the human body’s immune system from barging in on their banquet. People can live for decades without any symptoms of neurocysticercosis because the tapeworm larvae break down natural defenses. Unfortunately, tapeworm larvae can’t live forever.
“While it’s alive, it’s a problem, but when it starts to die it’s a bigger problem,” Despommier says.”
This is only one type of parasite…