Anosmia Causes, Symptoms and its Treatment & Prevention.

Olfactory Receptors -
The Human Olfactory Receptor Data Exploratorium; information on the OR proteins, their structure, function and evolution. A set of analysis tools is provided.
http://bioinformatics.weizmann.ac.il/HORDE/

Representations of Olfactory Information in the Brain -
Research article on olfaction (sense of smell).
http://www.hhmi.org/science/neurosci/axel.htm

The Sense of Scents, the Sense of Self -
Smell and its interaction with the brain, and in particular the relationship between smell and memory.
http://serendip.brynmawr.edu/

SenseLab -
 Database devoted to olfactory receptors.
http://senselab.med.yale.edu/senselab/

Smell and Taste Disorders -
Provides an overview about how smell and taste work, the main causes of disorders of these senses, and the diagnoses and treatments of them.
http://www.entnet.org/healthinfo/topics/smell_taste.cfm