How does the immune system fight pathogens? The immune system has two distinct components: mucosal and circulatory. The mucosal immune system provides protection at the mucosal surfaces of the body.

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. People with colds who sneeze can spread germs into the air and infect ...

With evidence lacking on the role of inflammation in nasal polyposis (NP), this study investigated the role of 2 potential biomarkers in the nasal secretions of patients who have NP concomitant with ...

Thanks so much for the compliments and for reading the Smart Harvest. Nasal discharges are normal secretions from the respiratory tract of animals. They are a result of normal physiological processes ...

A 30-year-old woman produced a single mass of gray material from her nose during a particularly forceful sneeze several hours before presenting to our clinic. She asked that the material be submitted ...

For those who do not like blood tests (the traditional skin-prick method), the new test also offers an alternative means for medical staff to take a sample for analysis – by swabbing the nose. In ...

My father used to induce sneezing during the cold season by tickling his nasal passages. Presumably, he hoped that this would help displace viral particles from his nose into his handkerchief. I ...

(THE CONVERSATION) The Pfizer-BioNTech and Moderna mRNA vaccines have played a large role in preventing deaths and severe infections from COVID-19. But researchers are still in the process of ...

Thanks so much for the compliments and for reading the Smart Harvest. Nasal discharges are normal secretions from the respiratory tract of animals. They are a result of normal physiological processes ...