When these things happen, the cell of the body can't function properly because the cells need sugar for the energy. There are some problems found when the glucose build up to the blood and it include the following: first is damaging of the body, where the high glucose (sugar) levels in the blood damage the nerve and the small blood vessels in the eyes, kidneys, and the heart, and it can cause the hardening of a patients artery and it can lead into a sudden heart attack or maybe a stroke. .

             Second is the malfunction of the kidney when the high amount of glucose in the blood of a patient, and it can cause a frequent urination which a large amount of water will be lost in the body, this can cause of dehydration. Third is when a person can't change the fluid that they lost or the person is not able to intake some fluids when they are very dehydrated, the patient becomes very sick and lead into diabetic come which is a life threatening complications. There some cases that the symptoms are very mild and can't be detected, in these cases the patients usually want to drink more liquid and they feel very thirsty, the patients feel exhausted at all time, they always feel nausea with the unclear vision, their skin is usually dry and flaky, when they get wounds it is very slow to get healed, and can't feel anything on their hands and feet because of losing sensation. From all these symptoms, only doctors can diagnose weather you are a hypoglycemic or hypoglycemic by conducting some test or measuring the glucose in the blood after instructing the patient not to eat for eight hours before the testing. This test is called glucose tolerance.

             There were an experimental studies and observational studies that too much intake of sugar in the body is more likely to develop type 2 diabetes, and too much sugar intake is associated with the development of obesity. Although there's no established RDA (Recommended Daily Allowance) for sugar, because as far as it's known, sugar is not really needed for nutrition, compare to salt that has restrictions in taking it.