Quackwatch
A huge compendium of crackpot therapies and miracle cures debunked by US doctor and veteran fighter of quackery, Stephen Barrett.

The Skeptic's Dictionary
Lambasts spurious remedies with savage humour. Learn why drinking your own urine or entrusting your illness to a crystal aren't necessarily paths to joy and vitality.

Health In Focus
Well-designed new site, backed by health charities and the Patients Association to aid British internet users seeking healthcare information online. Plentiful pages of news, online discussions, and reference sources.

Urban Legends and Folklore
About.com's urban legends pages - David Emery's regularly updated catalogue of hoaxes and frauds.

Urban Legends Reference Pages
Huge catalogue of urban myths.

Medical World Search
A search engine that claims to link only to reputable health sites.