When we eat a meal or are physically active, most of us don't have to worry about the effect it will have on our blood sugar levels. Our pancreas does a remarkable job of maintaining our blood glucose at the optimal level required for the body to function normally throughout the day. After a meal, high blood sugar levels will trigger pancreatic islet beta cells to produce insulin. Insulin in turn promotes glucose uptake by muscle and other cells in the body, and its conversion into glycogen (a storage form of glucose). This brings the level in the blood back down to normal.
Conversely, when we exercise and our muscles need more sugar from the blood, insulin levels will drop and other hormones,...
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