Eat clean... eat plantbased! via IFL Science: For years, a Texas man experienced episodes of headaches so severe that they caused him to vomit. The splitting pain eventually prompted him to seek care from medical experts who discovered a rare and unusual culprit. In addition to the headaches, Gerard (no last name was provided) was also suffering from brainstem compression and severely elevated intracranial pressure due to hydrocephalus, a fluid buildup in the brain, which the doctor determined to be a life-threatening situation requiring emergency brain surgery. MRI scans of the man's brain revealed a cystic mass in the fourth ventricle of the brain, a cavity responsible for the production and transition of cerebrospinal fluid. Dr Jordan Amadio of Ascension Seton medical center in Texas told IFLScience that this was a "suspicious appearance" and ordered a pathology lab analysis. The diagnosis: An egg-sized parasitic Taenia solium tapeworm that had been taking up residence in his brain