1 January 2019
		 |  Hassan Mohammed 
 
		 
 
			   
		
		
			 
			Patients with chronic rhinosinusitis (CRS) in general, and those with nasal polyps (CRSwNP) in particular, have been shown to have down-regulation of tight junction genes. Zinc, on the other hand, is well-known for its role in immune regulation and deficiency...