July 30, 2021
by Allison Shelley, WebMD
Sometimes it’s hard to tell if you have bad breath, and asking someone to check if it’s fresh can be embarrassing. But thanks to science, there may soon be an easier way to find out.
Researchers are now working on a sensor to detect hydrogen sulfide, the gas that makes breath stink. Bad breath can happen sometimes, or it can be a chronic condition known as halitosis. It can be caused by foods, poor oral hygiene, diseases, or other things. The issue has inspired a set of complex experiments designed to detect the odor-causing gas without using the human sense of smell.
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