Could You Have Type 2? 10 Diabetes Symptoms
Overly high blood sugar levels can also cause rapid weight loss, say 10 to 20 pounds over two or three months—but this is not a healthy weight loss.
Because the insulin hormone isn't getting glucose into the cells, where it can be used as energy, the body thinks it's starving and starts breaking down protein from the muscles as an alternate source of fuel.
The kidneys are also working overtime to eliminate the excess sugar, and this leads to a loss of calories (and can harm the kidneys). "These are processes that require a lot of energy," Dr. Collazo-Clavell notes. "You create a calorie deficit."
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