Anyone looking to curb their bad snacking habits could have a new technique at their disposal: a new study shows that breathing in fatty food smells for more than two minutes is enough to put people off a high-calorie meal.

While the first sniff of a fat-heavy snack is likely to whet your appetite, the new research shows prolonged exposure to the smell actually works as a deterrent – and it could offer a new method of keeping you or your kids on a healthier diet.

Read more at Science Alert.