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2nd Q&A With Dr. Richard Bernstein
Non-diabetics make insulin in little squirts about a minute apart. They make it whenever they need it and they make less of it if their blood sugar drops. What would happen if the insulin that they'd been making remains in the bloodstream when they don't need it? Their blood sugars would drop eventually to zero, and they'd be dead. Humanity would no longer exist. Humanity is still here so something else is happening.
The liver clears insulin out of the bloodstream very rapidly. In fact, thanks to the liver, the half-life of insulin in the bloodstream is only about 6 minutes. The dawn phenomenon happens during the first few hours when you get up in the morning. It starts at about nine hours after you go to bed. The liver is working extra hard at clearing away insulin. This doesn't make any difference to non-diabetics. They're capable of tripling their insulin production, whereas a diabetic doesn't have this capacity and he's likely to experience an elevated blood sugar shortly after rising in the morning.
On top of that, if he exercises during those first three hours when the dawn phenomenon is acting, his blood sugar might go up instead of down when he exercises. For this reason, we give diabetics half as much carbohydrate at breakfast as at other meals. That's number one, so they won't have to take excessive amounts of insulin.
Also, many of these diabetics should be given a tiny amount of a rapid-acting insulin on arising just to prevent the dawn phenomenon. I have to take a half unit of Humalog insulin on arising, or I'll go up by about 40 or 50 in the next hour. Many of my type 2 patients who wouldn't otherwise be on insulin are getting insulin just to prevent that little increase in the morning.
Dr. Richard K. Bernstein is a long-time advocate for a low-carb approach to the management of type 1 and type 2 diabetes. Diagnosed 60 years ago with type 1, Dr. Bernstein pioneered the concept of reducing insulin use and blood sugar levels by reducing carbohydrate, rather than protein and fat, intake, a now accepted approach that the diabetes establishment resisted for years. The Long Island-based physician, whose practice treats only patients with diabetes and prediabetes, has published four books on diet and blood sugar control. His Diabetes Solution website has extensive information on his personal history and diabetes management philosophy.
0 comments - Mar 13, 2013
Diabetes Health is the essential resource for people living with diabetes- both newly diagnosed and experienced as well as the professionals who care for them. We provide balanced expert news and information on living healthfully with diabetes. Each issue includes cutting-edge editorial coverage of new products, research, treatment options, and meaningful lifestyle issues.