All about Arthritis: Ask the Expert: Allows users to ask questions about arthritis and its treatments to a panel of orthopedic surgeons and rheumatologists from around the country.
Ask Physicians: Board-Certified physicians answer medical questions in a variety of areas.
Drug and Alcohol Testing Q&A: Physician-moderated discussion board for the exchange of technical information and expertise in interpreting test results.
Global Hospital - Brain Tumor Treatment: Provides a form for requesting second opinions, as well as details of the specialists answering questions.
InteliHealth: Ask The Expert: Harvard Medical School and University of Pennsylvania Dental School specialists answer visitors' health-related questions.
Parkinson Disease Foundation - Ask The Expert: Features a categorized FAQ archive, and offers a form for new enquiries, as well as general information and online donations.
Yahoo! Health - Ask the Expert: Experts answer readers' questions on a variety of health topics.
