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Business trends

AI app checks for halitosis through tongue image analysis

Developer Lion hopes the service will boost sales of its oral care products

Lion's new smartphone app is meant to supplement tooth brushing.

TOKYO -- Toiletries maker Lion has developed a new smartphone app that uses artificial intelligence to gauge breath odor intensity based on images of the tongue.

Bad breath, also known as halitosis, can be more than just embarrassing -- it can affect a person's work performance, especially in the hospitality industry. It can also indicate serious underlying medical conditions.

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