when blood sugar is high what are the symptoms

Blood sugar refers to the amount of glucose in the blood. Glucose is the main source of energy for the body's cells and is carried to them through the bloodstream. The hormone insulin allows glucose to enter cells. In people with diabetes, glucose builds up in the blood instead of going into cells.
Blood glucose is produced when the body breaks the foods we eat down into their basic components. Many types of food contain carbohydrates, a form of energy, which is broken down into glucose during digestion. The glucose in our blood provides energy from the food we eat and is carried to every cell in our bodies through the bloodstream.
When blood sugar is high, the pancreas releases insulin to help transport glucose out of the bloodstream and into cells, where it's broken down to produce energy.
When blood sugar levels are too high, often the body's cells are unable to absorb all the sugar in the bloodstream. High blood sugar is also called hyperglycemia. It means that too much glucose is in the blood, and it presents a problem because glucose is the body's main source of energy but the body needs insulin to absorb glucose into cells and be used for energy.
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