Now it is your turn to play doctor. Try your luck solving:

The Case of the secret snacking...

Bob was very worried. His wife, Betty, was a patient of mine with type 2 diabetes. She had looked after herself very well and, fortunately, had not developed any complications. Recently, Betty had found that her glucose readings, though very good at bedtime (about 6 to 8), were about 10 to 12 at breakfast time. Betty was being treated with metformin (Glucophage) and glyburide (Diabeta). Bob was convinced that Betty was secretly snacking during the night. And he was very worried that Betty, whom he loved dearly, was doing something that would harm her.

So what did I do? Well, I told Bob (who was in the room with Betty and me) that I had complete confidence that Betty was NOT secretly snacking in the middle of the night.

Why did I tell Bob this information? Was it because:

1.Betty had paid me fifty dollars to lie to her husband (imagine; thinking that would be enough!). 
2.Betty had clear evidence of the dawn phenomenon. 
3.Betty's metformin (Glucophage) pills are known to cause high morning blood sugars.
4.Snacking in the middle of the night would not cause high readings at breakfast.

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