Asked by: Jill Smye-Waldenhurst, Little Horning
Most people’s don’t… but a significant minority do report a sweet or floral smell when they sneeze. This could be the smell of ketones from your bloodstream, which might be a sign of diabetes. But it is much more likely to be the cocktail of chemicals produced by the bacteria living in your sinuses or ears.
Be grateful that yours smell of honey – some people’s sinus bacteria give them the sneeze equivalent of halitosis.
Subscribe to BBC Focus magazine for fascinating new Q&As every month and follow @sciencefocusQA on Twitter for your daily dose of fun science facts.