Insulin is the hormone that tells your body to absorb glucose from the blood into cells so that you can use it to make energy.
When you have insulin resistance, your cells ignore the insulin and glucose builds up in your blood. As long as your pancreas can make enough insulin to overcome the resistance, your blood glucose remains normal.
Diabetes happens when the level of glucose in your blood (consistently) reaches a certain point. Type 2 means you make insulin, but it doesn’t do its job (because there’s not enough of it), type 1 means your pancreas can’t make insulin.
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