A California man went to an emergency room with a terrible headache and nausea, slipped into a coma, and was told a tapeworm larva had been living in his brain when he woke up. The surgery and the aftermath have greatly impacted his life, Ortiz said. He had to drop out of school, move back home and find a temporary place for his dog. He can't drive or work. "My memory is like a work in progress," he said. "It gets better from therapy," but he has to remind himself to do his memory exercises and other daily tasks. The...