Answer:
Excess mucus
Step-by-step explanation:
When we have a cold, our nose produces excess mucus. Hence, the odorants are unable to reach the receptors, thus making it difficult to smell.
According to Tajudeen, a rapid loss of smell may indicate the presence of a viral disease. According to him, most cold symptoms include congestion, a runny nose, and difficulty breathing through the nose. "At the most fundamental level, that typically results in a brief reduction in smell.