Executive summary
Several recent conversations converge on insulin and blood sugar balance as a thread connecting visceral fat, heart health, brain fog, and mood, according to Dr. Pradeep Jamnadas and Dr. Andrew Kutnik on The Diary Of A CEO. Dr. Georgia Ede and Dr. Annette Bosworth ('Dr. Boz') add that insulin resistance may show up in everyday symptoms—fatigue, skin changes, difficulty concentrating—well before standard lab tests flag anything unusual. Together, these insights point toward small, sustainable daily habits around food, sleep, and movement rather than any single fix.
Key takeaways
- Insulin resistance may develop silently for years before it shows up on standard glucose or A1c tests, according to Dr. Pradeep Jamnadas and Dr. Annette Bosworth on The Diary Of A CEO.
- Visceral (belly) fat is described by multiple clinicians as uniquely inflammatory, connecting metabolic health to heart, brain, and mood symptoms.
- Small, sustainable habits—mindful meal timing, dietary variety, morning sunlight, and consistent sleep—were repeatedly highlighted as accessible starting points, though any significant dietary or fasting change should be discussed with a healthcare provider first.
YOUR DAILY WELLNESS FOCUS
Good morning. Today we're gently exploring a theme that surfaced across several expert conversations this week: how insulin—a hormone most of us only associate with diabetes—may quietly influence energy, mood, and long-term heart and brain health. Let's look at what a few clinicians are observing in their patients, and translate that into simple, grounded steps you can consider today to feel more informed and supported on your own health journey.
KEY INSIGHTS FOR YOUR WELLBEING
You might find it interesting that several clinicians interviewed on The Diary Of A CEO are converging on a similar idea from different angles. According to Dr. Pradeep Jamnadas, a cardiologist who has treated over 30,000 hearts, by the time someone is diagnosed as diabetic through a standard test like hemoglobin A1c, insulin levels may have been quietly elevated for up to a decade, contributing to arterial inflammation before glucose readings ever look abnormal. He notes that visceral fat—the kind that shows up as a protruding belly, distinct from fat elsewhere on the body—produces inflammatory compounds that he links directly to plaque formation in the arteries. Dr. Andrew Kutnik, a research scientist who lives with type 1 diabetes himself, echoes this from a different vantage point: he cites studies suggesting a large majority of Americans have some form of metabolic dysfunction, and explains that insulin acts like a thermostat—released whenever blood glucose rises, and slower to clear than glucose itself, so frequent snacking or grazing can keep it elevated longer than we realize. Dr. Annette Bosworth ('Dr. Boz'), an internist focused on insulin resistance, adds a practical observation: glucose can look perfectly 'normal' on a lab test precisely because insulin is working overtime behind the scenes to keep it that way. She describes visible clues her patients often overlook—skin tags, darkened skin at the neck or elbow creases, and stubborn belly fat—as possible signs worth mentioning to a doctor. Dr. Georgia Ede, a Harvard-trained psychiatrist, brings this into the realm of mental clarity, describing insulin as a 'master metabolic hormone' that influences stress hormones, mood, and even hunger signals—not just blood sugar. These perspectives don't stand alone. Both Dr. Jamnadas and the hormone specialist interviewed separately on the same podcast point to gut health as a related piece of this puzzle—an unhealthy gut lining may allow inflammatory compounds into the bloodstream, adding to the same inflammatory load that affects arteries and mood alike. And Dr. Roger Seheult, an internal medicine and pulmonary physician, offers a complementary thread: he notes that people in the US and UK now spend the vast majority of their time indoors, which may reduce sunlight exposure that supports cellular energy beyond vitamin D alone. Taken together, these conversations suggest that food choices, sleep, sunlight, and gut health may all feed into the same underlying picture of how your body manages energy and inflammation.
ACTIONABLE STEPS FOR TODAY
1. **Notice your eating rhythm.** Dr. Andrew Kutnik explains that frequent snacking can keep insulin elevated longer than expected. You might experiment with slightly longer gaps between meals today and simply observe how your energy feels—no need for a strict plan, just gentle awareness. 2. **Add color and fiber to one meal.** Dr. Simon Mills, a herbal medicine practitioner, suggests aiming for variety—roughly 30 different plant types a week—to support gut microbiome diversity. Try adding an extra vegetable or piece of fruit to a single meal today as a manageable starting point. 3. **Get outside in the morning if you can.** Dr. Roger Seheult points out that most of us spend the bulk of our day indoors. Even 10–15 minutes of natural light in the morning may be a simple, low-effort habit to support your body's natural rhythms. 4. **Prioritize a consistent bedtime.** Dr. Jamnadas noted that a single night of poor sleep has been observed to affect insulin sensitivity the next day. A calming wind-down routine tonight—dimming lights, stepping away from screens—can be a supportive step. 5. **Consider what you'd ask your doctor.** If any of this resonates, jot down a note like, 'Could we check my insulin levels, not just glucose?' or 'Could my fatigue or belly fat be related to blood sugar balance?' to bring to your next appointment.
A NOTE ON SAFETY
Please remember, this briefing is for educational purposes only and is not a substitute for personalized medical advice. The clinicians referenced here—Dr. Pradeep Jamnadas, Dr. Andrew Kutnik, Dr. Georgia Ede, Dr. Annette Bosworth, and others—shared clinical experience and emerging research that, while thought-provoking, ranges from well-established to preliminary in nature, and specific protocols like extended fasting or ketogenic diets should never be started without medical supervision, especially if you take insulin, blood pressure medication, or have a history of disordered eating. If you experience symptoms such as chest pain, sudden shortness of breath, unexplained rapid weight change, fainting, or persistent fatigue that doesn't improve with rest, please contact your healthcare provider promptly rather than waiting. It's always best to bring new ideas from content like this to your doctor as a starting point for conversation, not a directive to act on alone.
Sources
- The Diary Of A CEO (Dr. Pradeep Jamnadas)
- The Diary Of A CEO (Dr. Andrew Kutnik)
- The Diary Of A CEO (Dr. Georgia Ede)
- The Diary Of A CEO (Dr. Annette Bosworth / 'Dr. Boz')
- The Diary Of A CEO (Hormone Expert / Dr. Sarasal)
- The Diary Of A CEO (Dr. Simon Mills)
- The Diary Of A CEO (Dr. Roger Seheult)