Blood sugar refers to the level of glucose in the blood. It is transported through the bloodstreams and is the principal energy source for the cells in our bodies. In general, blood sugar level is affected by the following:
1. Stress
2. Activity level
3. Diet
4. Insulin in the body
Blood sugar concentration (also known as serum glucose level) usually varies for different people, but the normal or acceptable range is within 70 to 150 mg/dl. This varies or fluctuates throughout the day, with the lowest sugar level occurring usually in the morning (before the first meal) and rising after every meal.
The level of blood sugar in a person should be highly regulated. Failure to do so could lead to diseases, the most common of which is diabetes. Diabetes is a disease that is caused by either lack of or too much insulin in the body (insulin is a hormone that controls the glucose level in the blood).
Source : articlesbase
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