If you've ever attempted to change your diet, you'll know how difficult it is to keep track of what it is you put in your body.
Scientists in the US recognise this conundrum, and have developed a sensor that helps you monitor the products that pass your lips.
Designed by engineers at Tufts University School of Engineering in Massachusetts, the sensor is designed to mount directly onto a tooth.
Vital information regarding glucose, salt and alcohol is then transmitted wirelessly to a mobile device.
At a miniscule 2mm x 2mm, Science Daily says the device acts like an antenna and has compared its principles to a sensor that collects toll payments on a highway.
While similar devices have been developed elsewhere, they were not designed with the ease and convenience of being placed on a tooth, Science Daily reports.
There are no reports as to when the technology will be available to the public.