Sugar is one of the most harmful substances in the world not because it’s poisonous, no it’s not but harmful in the sense that if one is not self disciplined. Even when he is badly sick and has been told that sugar is the source of the illness , one will still keep going back to take it.
It is good to reduce the intake of sugar while are still, and further reduce it as we get old than to think of stopping suddenly when old as he starts to set in