Cushing's Help and Support -
 Non-profit organization providing information, news, and education to individuals with cushing's as well as other diseases of the pituitary glands. Contains a message board.
http://www.cushings-help.com/

Cushing's Support and Research Foundation -
 Non-profit organization provides information for patients on the medical aspects of Cushing's via newsletters. They also help put people in contact with one another.
http://www.csrf.net/

Cushing's Syndrome -
Questions and answers about this disease. Covers symptoms, treatment, diagnosis, and research. From NIDDK.
http://www.niddk.nih.gov/

Cushing's Syndrome -
Describes this hormonal disorder in relation to cortisol. Provides causes, tests, how it's diagnosed, and resources. From Neuroendocrine Clinical Center.
http://pituitary.mgh.harvard.edu/cushings.htm

Cushing's Syndrome & Cushing's Disease -
Describes this pituitary adenoma and provides signs, symptoms, diagnosis, and treatment. By UCLA Neurosurgery.
http://www.neurosurgery.medsch.ucla.edu/

eMedicine - Cushing Syndrome -
Covers background, frequency, history, causes, and other problems to be considered if not discovered in an early stage and acted on.
http://www.emedicine.com/med/topic485.htm

OHSU Health - Cushing's Disease -
Discusses signs, symptoms, diagnosis, treatment, assessment of cure, and long term complications.
http://www.ohsupituitary.com/patients/cushing.asp

Overactive Adrenal Glands / Cushing's Syndrome -
Health guide on this condition that results from adrenal glands producing excess hormones.
http://www.umm.edu/endocrin/cushing.htm