Answer: firstly dairy products are a low source of carbs they are predomantly protein and moderate fat. products such as yoghurt and milk also contain calcium to aid bone growth and strength. inconclusion to this, dairy is not a good source of carbs
Answer: The quickest source of carbohydrates are simple sugars, such as candy and soda. These are rapidly absorbed and can provide a quick source of energy. However, for a more sustained release of sugar into the blood stream, you will want complex carbohydrates such as whole grains.
In some ways yes! They give you energy, which is a good thing. However, too much of a good thing can be bad for you.
In addition, certain types of carbohydrates can be bad for you!
Refined (processed) carbohydrates are not good for you. Those are the kind of carbohydrates that you should avoid or strictly limit. You can find a list of refined (processed) carbohydrates further down this page, listed under Related Question.