Why is junk food unhealthy?
Eating junk food is really unhealthy for you because they can ruin your teeth, not good for your body, has too much sugar and fat and it's usually high in calories.
Junk food usually contains a large amount of salt, sugar or unhealthy fats. It is usually high in calories and low in essential nutrients. Junk food is bad for kids and adults alike.
On top of all that, because it tastes good, people eat far too much of it than they should.