Likely in the next two years, a biomarker blood test is expected to emerge as a diagnostic tool to catch Alzheimer's disease earlier, said a University of Washington doctor scheduled to talk in Spokane Wednesday. Dr. Thomas Grabowski, UW Alzheimer’s Disease Research Center director, argues it's best to battle the disease at the beginning of cognitive symptoms, or if possible, decades before. "Most people when they think of Alzheimer’s, they think about dementia and the worst case that can happen," he said. "In fact, the dementia’s phase is like the last eight or 10 years in something that is really a 30-year process." These insights and the latest in Alzheimer's research will be part of the 6-8 p.m. Next Generation Medicine Lecture at Gonzaga University's Cataldo Hall. It's open to the public and led by Grabowski, medical director of the UW Memory and Brain Wellness Center. Dr. Silvia Russo, a Spokane-based Providence cognitive and behavioral, is scheduled to join in a question-and-answer discussion.