DirectoryHealthcare.com provides the useful information on animal health, diseases & conditions, fitness, general health, long term care, mental health, nutrition, weight loss & yoga.
The Foundation to Further Consciousness Gives information about various techniques of expanding consciousness and does research into the physiology underlying it. http://www.brainbloodvolume.com/
Trepanation Guide An indepth source of information on medical and historical aspects of this ancient surgical procedure. Includes references and citations as well and advanced reading suggestions. http://www.trepanationguide.com/