Here is a good article from Forbes for you. It is about how resilient, but easily affected, our sense of taste can be:
The Superhero Of Senses by Jonathan Fahey.
Also, if you would like to know more about the olfactory and taste systems, as well as potential disorders, this article from the American Academy of Family Physicians is all-encompassing, yet provides plenty of basic information about the anatomy of smell and taste (with many diagrams!):
Smell and Taste Disorders: A Primary Care Approach
Steven M. Bromley, M.D.
University of Pennsylvania Smell and Taste Center, Philadelphia, Pennsylvania
