Other Chronic Diseases — blood sugar levels
As is known to all, glucose is our energy's main source. Hypoglycemia is defined as the fact that people's blood sugar level is lower than normal. In the early stage of diabetes, obvious symptoms cover palpitation, shakiness, sweating, fatigue, hunger, and weakness. What's worse, people with serve symptoms will suffer from a lack of concentration, restlessness, irritability, impaired cardiovascular system and nervous system damage.