Need a quick breath check before your big meeting or your big date? Well, scientists from South Korea may be able to help. They’ve engineered a portable device that detects even the tiniest trace of hydrogen sulfide the stuff that smells like rotten eggs that is one of the primary offenders in oral obnoxiousness. Their work appears in the journal Analytical Chemistry.
Bad breath, a.k.a. halitosis, can be more than a social inconvenience. A skunky mouth also may point to some serious underlying medical or dental issues.