This is an incidental learning approach. In this word problem "noticed" is the key word. It wasn't intentional as you did not plan to help these children until you saw what was going on. It wasn't hands on as you are not physically teaching them. It occurred by chance in connection with something else.
there isn't really an exact answer. Some people get diabetes genetically, but for the most part if you eat a lot of sugar overtime it will eventually lead to diabetes.