Does Your Blood Sugar Really Need to Stay Below 140 All Day?
Is a blood sugar spike above 140 after eating actually a problem if you don’t have diabetes? If you wear a continuous glucose monitor (CGM) and feel a little sting every time the line climbs, this episode is for you.
Welcome to The Habit Healers Podcast. I’m Dr. Laurie Marbas, a board-certified lifestyle medicine physician, and today I’m untangling one of the most misunderstood numbers in metabolic health. The 140 mg/dL cutoff comes from the oral glucose tolerance test, a very specific lab test with very specific conditions. It was never meant to grade your CGM reading forty minutes after…
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