You can smell a lot more than alcohol on someone’s breath. Apple is researching how to get that analysis done in your own home with a series of iPhone health sensors that you breathe over.

Future iPhones and other Apple devices could include a breathalyzer

Future iPhones and other Apple devices could include a breathalyzer
Apple has a thing for breath. Previous patent applications have shown that the company wants to add breath detection to Apple Vision Pro, and to use how you breathe to help with sleep tracking.
Now it’s been granted a patent called “Electronic devices with breath sensing systems.” It’s technology for any number of different types of device, but the drawings imply an iPhone.