Posted: February 4, 2021 258 Join Dr. Reitha Weeks to explore your sense of smell and its connection to memories, molecules, marketing, and medicinal claims. Fragrance is a compelling feature of everyday products. Through smell, we are able to recall memories of people, places, and things. Smell brings us pleasure, improves our mood, and alerts us to harm. All odors are chemical molecules. The online class will inspire you to develop a greater appreciation of your sense of smell. 75% of “flavor” is due to smell. Loss of smell is a common symptom of COVID-19 and it may not return after the virus is gone.