This tooth-mounted sensor helps you watch what you eat

This tooth-mounted sensor helps you watch what you eat

This tooth-mounted sensor helps you watch what you eat

Scientists have designed a way to precisely monitor the food we eat using a sensor on our tooth. No longer will we be able to get away with that bag of chips when no one's looking.

The links between diet and health are deep and complex. In their simplest terms, we know that we should eat more fresh food and much less processed salty, fatty, sugary, and delicious food.

However, in the real world, there are plenty of shades of gray in-between.

Because scientists now know that diet is a very important factor in health, getting to grips with what we eat, how much we eat, and when we eat it is of growing importance.

Currently, methods to track people's diets are fairly unreliable. The most commonly used practice is a good old-fashioned food diary.

However, even if someone is trying to fill it out honestly, it is easy to make errors. For instance, you might forget that you had four beers rather than three. Also, it's notoriously difficult to keep track of how many cookies you devoured during last night's midnight snack.

Similarly, if someone writes "portion of fries" in their food diary, it's anyone's guess as to how much salt was sprinkled on top or even how big a "portion" of fries is.

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