http://www.iol.co.za/index.php?set_id=1&click_id=117&art_id=qw1163106361520B251 Another feather in its cap.
It could be useful but not reliable because health is very sensitive issue and you cannot rely on other's experience without any proof of validity and trueness.
Health topic search is huge on the Internet as people take charge of their health issues and learn more about hoe to manage their own health rather than relying on an overworked medical industry. But quality of imformation gathered and the knowledge of searchers affects the usefulnes of any information gathered on the Internet.