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Lecture Notes

The hallmark of diabetes, regardless of whether we're talking about type 1 or type 2 diabetes, is high blood glucose levels, and as we'll learn in the next few slides, this can occur because of problems with insulin production, insulin resistance or both, and insulin is a hormone that's needed by our bodies, our body's tissues, to use the energy that we consume through food. So for example, insulin helps glucose get inside the muscle cell so the muscle can be allowed to do work, and this is particularly important when we're talking about being physically active, but also important for the health of all of the tissues in our body.