Do You Have Questions About Alzheimer's Disease?

Dr. Ron Petersen will answer viewers' most pressing questions.

ByABC News
March 18, 2008, 4:41 PM

Mar. 18, 2007— -- Do you have a question about Alzheimer's disease?

Ask Dr. Ron Petersen, Ph.D., M.D., director of the Mayo Alzheimer's Disease Research Center and professor of neurology at the Mayo Clinic College of Medicine.

Watch "World News with Charles Gibson" TONIGHT at 6:30 p.m. ET for the full report.

Submit your question for Dr. Petersen below.