You can take certain steps to lower your chances of becoming an unwitting host to one of these nasties. Practicing basic ...

This is what it looks like when parasitic worms directly invade your brain Doctors unknowingly took time-series images of the worms invading patient's brain.

Understanding your own bowel patterns —both how often you poop and what it looks like—is key to knowing when something might be off, advised Schnoll-Sussman.