By becoming more knowledgeable about your condition, you can be better prepared to talk with your health care provider and take a more active role in your health care. The Rudolph Matas Library provides this list of consumer health web sites for informational use only. These materials are not intended as a substitute for the care of a qualified health care provider. The ideas presented are the opinions of their respective authors and may or may not agree with the opinion of your provider. All questions and concerns about your health should be taken to your health care provider. Tulane's Rudolph Matas Library assumes no liability for the information retrieved or its interpretation or application.