Expert Q&A

How long have we known that diabetes can be cured by not eating any carbs? Can you guess and the role of cortisol and stress hormones

The Historical Timeline of Low-Carb Diabetes Management

Physicians have recognized the benefits of carbohydrate restriction for diabetes since the late 18th century. In 1797, Dr. John Rollo successfully treated a patient with a diet high in animal fats and proteins while eliminating sugars and starches. By the early 1900s, Frederick Madison Allen's starvation-style low-carb protocols achieved remission in many cases before insulin's discovery in 1921. In my book The Metabolic Reset, I detail how these early observations laid the groundwork for what we now understand as type 2 diabetes reversal through dietary means.

The Modern Understanding and Clinical Evidence

Since the 1970s, researchers like Dr. Robert Atkins and later Dr. Richard Bernstein demonstrated that eliminating carbs stabilizes blood glucose without medication for many patients. Recent studies, including the 2019 Virta Health trial, showed 60% of participants achieved diabetes remission after one year on a ketogenic protocol under 50 grams of carbs daily. For middle-aged adults like you managing both diabetes and blood pressure, this approach addresses hormonal changes that make weight loss difficult after 45.

The Critical Role of Cortisol and Stress Hormones

Cortisol, our primary stress hormone, directly raises blood sugar by triggering gluconeogenesis in the liver. Chronic elevation from work pressure, poor sleep, or emotional strain keeps insulin resistance high even on low-carb diets. In The Metabolic Reset, I explain the cortisol-insulin feedback loop: elevated cortisol promotes abdominal fat storage, which then secretes inflammatory cytokines worsening blood sugar control. Stress hormones like adrenaline further spike glucose through glycogen breakdown. Beginners often overlook this; without addressing stress hormones, even perfect carb restriction yields slower results.

Practical Beginner Strategies for Sustainable Success

Start with a simple 20-50 gram carb limit using whole foods—no complex meal plans needed. Pair this with 10-minute daily walks to reduce joint pain and lower cortisol naturally. Track fasting blood glucose and ketones to confirm your body shifts from sugar-burning to fat-burning within 7-14 days. For those embarrassed about obesity or frustrated by past diet failures, this isn't another restrictive fad; it's a metabolic reset that works with your hormones. Many in their 50s see blood pressure improvements within weeks, often reducing medications under physician guidance. Consistency beats perfection—focus on progress while managing real-life stress through short breathing exercises.

💬 What the Community Says

In online forums and support groups, middle-aged adults express excitement about low-carb diabetes reversal but remain skeptical due to decades of "eat less, move more" advice. Many share stories of A1C dropping from 8.5 to 5.8 within months after cutting carbs, yet a vocal minority reports stalled progress blaming hidden stress and cortisol issues. Beginners frequently discuss joint pain barriers and time constraints, with several noting insurance limitations pushed them toward self-guided approaches. Lived experiences highlight hormonal shifts in perimenopause and andropause making traditional diets ineffective. Debates often center on sustainability versus keto extremes, with most agreeing stress management is the missing piece. Overall sentiment mixes hope from success stories with caution from repeated past failures, creating active discussions around practical, low-effort routines that fit busy lives.
Clark, R. (2026). How long have we known that diabetes can be cured by not eating any carbs? Can y. *CFP Weight Loss*. https://blog.cfpweightloss.com/ask/how-long-have-we-known-that-diabetes-can-be-cured-by-not-eating-any-carbs-can-you-guess-and-the-role-of-cortisol-and-stress-hormones
Russell Clark, FNP-C, APRN
About the Author

Russell Clark, FNP-C, APRN, is the founder of CFP Weight Loss in Nashville and CFP Fit Now telehealth. Over 35 years in healthcare — Army Nurse Reserves, Level 1 trauma ER, hospitalist — he developed a 30-week protocol integrating real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 30–90 pounds. He and his wife Anne-Marie lost a combined 275 pounds using the same protocol.

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