When Kaitlyn Foster moved into a one-bedroom apartment at the St. James Apartments in Tacoma three years ago, she was excited to have a place of her own, free of roommates. But quickly after she moved in, she said, that joy changed to pain when she began experiencing debilitating symptoms: fatigue, nausea, headaches, cramps, stiffness and weakness in her lower extremities that only seemed to worsen in the following months.