The NCAHF is a USA voluntary health agency that focuses its attention upon health fraud, misinformation and quackery as public health problems. http://www.ncahf.org/
Monitors the media for reports of medical frauds and quacks. Includes features on individual quacks, pending lawsuits, scientific rebuttals of 'dubious' claims, and related links. http://healthwatcher.net/Quackerywatch/
Covers unproven and scientifically questionable claims of alternative health therapies, vitamin peddlers, and other health frauds. http://www.quackwatch.org/