Just destroying some receptors should only reduce your sense of smell for a month or so. Acid vapors will do this. I know, because I was a somewhat sloppy in high school chemistry lab. read more
You have irritated your nose; the mucus is a normal physiological reaction, it will protect your tissues while they heal. You may also have hurt your smell receptors, but they renew constantly. They are similar in this respect to skin cells. read more
Like all of your senses, your sense of smell plays an important part in your life. Your sense of smell often serves as a first warning signal, alerting you to the smoke of a fire, spoiled food, or the odor of a natural gas leak or dangerous fumes. When their smell is impaired, some people change their eating habits. read more