Introduction: Benomyl is a systemic, benzimidazole fungicide that is selectively toxic to microorganisms and to invertebrates, especially earthworms. It is used against a wide range of fungal diseases of field crops, fruits, nuts, ornamentals, mushrooms, and turf.
The common explanation for his is that sneezing was a symptom of the Plague and so if someone sneezed, people would say 'bless you' because they might have a horrible disease. But in fact it dates from much earlier superstitions, for example, ancient man believed that his breath was also his soul or essence of life..
Fundamentally, a sneeze is a way the body removes inflammation and congestion from the nasal passages. Much like a cough keeps the airways clear, a sneeze is a reflex to keep the nasal passages clear. As such, sneezing after meals suggests that there is some cause of inflammation that occurs after each meal. As for what is causing the inflammation, you are right in thinking allergies are the most common cause. Common food allergies such as egg, peanut, etc should be ruled out.