Canadian Researchers from the University of Ottawa have examined the bacteriocidal effects of honey on biofilms formed by several species of bacteria involved in causing chronic rhinosinusitis, a disease that affects approximately 1 in 10 North Americans every year. The researchers found that honey was significantly better at killing Pseudomonas aeruginosa and MRSA (an antibiotic resistant bacterium) than conventional antibiotics. The authors conclude that topical treatment with honey may prove effective in fighting chronic rhinosinusitis.