It is important because when you need it it will be there. If you don't have it and you need it then you would have to look it up and heavan forbid you don't have internet. So it is very important to keep it in a place were you will see it every day Like your refrigerator door.
I believe the answer to your question will be that it responds appropriately to the stress.
Complex carbohydrates pack more nutrients then simple carbohydrates
Hope this helps
