You have shared very good information about how much carbohydrates a person needs at what age. If an older person does not burn his carbohydrates, then the same carbohydrates can get accumulated in the body. Cholesterol can increase, then we have to struggle with various diseases. And on the contrary, your 21-year-old son who is burning more carbohydrates, needs such food items which have plenty of carbohydrates. We should take care of our body, how much protein, vitamins are needed by the body, when and where. It is necessary for us to have a balanced diet chart, because today's food habits are not organized. Fast food has taken up a lot of space. You have shared very good material with us.