Insulin Resistance: What is it and why does it matter?

Insulin Resistance: What is it and why does it matter?

Insulin Resistance: What is is it and why does it matter?

Need more support?

Knowing what to do isn’t the hard part; it’s DOING it. Move beyond good intentions to action, one simple step at a time in the Healthy Looks Great on You LAB. An exclusive, private Facebook group for women only. 

Hosted by:

Vickie Petz Kasper, M.D.

Diplomate of the American Board of Obstetrics and Gynecology  – Retired

Diplomate of the American Board of Lifestyle Medicine – Retired

Learn more about Dr. Vickie

CAN'T SLEEP?

Get your free guide to turn off your mind and sleep.

You might already know something feels off — you’re tired after meals, craving sugar, carrying extra weight around your middle, or just not feeling like yourself. But here’s something most people don’t know: your blood sugar can look completely normal and insulin resistance can already be working against you.

Insulin resistance isn’t just a precursor to diabetes. It’s a quiet, systemic problem that can affect your brain, heart, kidneys, and eyes — often for years before a single lab value raises a flag. And with over 115 million Americans living with prediabetes, most of them unaware, this is one of the most underdiagnosed health issues of our time.

Here’s the thing — insulin itself isn’t the enemy. It’s actually one of your body’s most important metabolic tools. Think of it like an air traffic controller, directing glucose to your muscles, liver, and cells so your body has the fuel it needs. The problem starts when your cells stop listening.

When the Pancreas Can’t Keep Up

When cells become resistant to insulin, your pancreas does what any responsible organ would do — it works harder, cranking out more insulin to compensate. For a while, it works. Blood sugar stays normal. No symptoms. No diagnosis. But underneath the surface, inflammation and cellular stress are already building.

Eventually the pancreas can’t keep up. Blood sugar rises. Prediabetes sets in. And if nothing changes, type 2 diabetes follows.

The progression is gradual — and largely preventable. That’s why catching it early matters so much.

What You Can Do Starting Today

The good news is that insulin resistance responds to lifestyle changes — sometimes dramatically. You don’t need a complete overhaul. Start with one change:

  • Move after meals. Even a short walk helps your muscles absorb glucose and reduces the burden on insulin.
  • Build muscle. Muscle is one of your body’s biggest glucose sinks — the more you have, the better your insulin sensitivity.
  • Watch what’s around your middle. Waist circumference is one of the most practical indicators of metabolic risk — over 35 inches for women and 40 inches for men increases your risk significantly.

And if you want to know where you stand, ask your doctor about a fasting blood sugar and hemoglobin A1C. Those two numbers can tell you a lot.

Next week we’re answering the question that matters most — can insulin resistance actually be reversed? Subscribe to the newsletter so you don’t miss it.

👉 And if you’re ready to go deeper right now, the Healthy Looks Great on You LAB opens April 24th and starts May 1, 2026 with an entire month dedicated to glucose metabolism. Come do this work with us.

Fruits, veggies and stethescope

Healthy Looks Great on You The LAB

Join our private community and let’s do this together!

Related Episodes

Eat Beans Without the Bloat

Eat Beans Without the Bloat

Eat Beans Without the BloatKnowing what to do isn't the hard part; it's DOING it. Move beyond good intentions to action, one simple step at a time in the Healthy Looks Great on You LAB. An exclusive, private Facebook group for women only. Hosted by: Vickie Petz...

Insulin Resistance: What is it and why does it matter?

Chronic Inflammation

Is Inflammation Quietly Damaging Your Health?

Need more support?

Join our private community and let’s do this together.

Hosted by:

Vickie Petz Kasper, M.D.

Diplomate of the American Board of Obstetrics and Gynecology  – Retired

Diplomate of the American Board of Lifestyle Medicine – Retired

Learn more about Dr. Vickie

CAN'T SLEEP?

Get your free guide to turn off your mind and sleep.

You might already know what inflammation feels like — fatigue, brain fog, joint stiffness, bloating, or just that general sense of feeling off. But inflammation isn’t just uncomfortable. When it becomes chronic, it silently contributes to some of the most serious diseases of our time: heart disease, diabetes, cancer, and Alzheimer’s.

Here’s the thing: inflammation itself isn’t the enemy. It’s actually one of your body’s most brilliant defense systems. When you get a cut or a infection, your immune system sends in the troops — releasing chemicals that increase blood flow, cause swelling, and promote healing. Short-term inflammation is protective and necessary.

The problem starts when inflammation never fully switches off.

When Healing Becomes Harm

Chronic, low-grade inflammation is more like a smoldering grudge than an acute response. It can quietly damage tissues and organs for years before any symptoms appear. And the triggers are often hiding in plain sight: poor sleep, chronic stress, too much sugar, processed meats, refined carbs, excess alcohol, and a sedentary lifestyle.

Visceral fat — the fat stored deep around your organs — makes things worse by actually secreting inflammatory chemicals called adipokines. This is one reason inflammation and obesity are so closely linked.

What You Can Do Starting Today

The good news is that lifestyle changes have a powerful effect on inflammation. You don’t need a complete overhaul — start with one change:

  • Move after meals. A brisk walk after dinner helps regulate blood sugar and calm inflammation.
  • Add one anti-inflammatory food. Think leafy greens, berries, walnuts, salmon, or olive oil.
  • Prioritize sleep. This one matters more than most people realize.

Sleep is when your body regulates the very immune chemicals that drive inflammation. Without enough restorative sleep, those chemicals overreact — increasing your risk for high blood pressure, heart disease, diabetes, mood disorders, and dementia.

If racing thoughts are keeping you from quality sleep, I have a resource that can help.

👉 Visit the Sleep Solutions page for practical tools to quiet your mind and protect your health from the inside out.

Because healthy looks great on you!

    P.S. If the chronic inflammation that threatens your health is unforgiveness, check out my book, “Dressing the Wound.”
Fruits, veggies and stethescope

Healthy Looks Great on You The LAB

Join our private community and let’s do this together!

Related Episodes

Eat Beans Without the Bloat

Eat Beans Without the Bloat

Eat Beans Without the BloatKnowing what to do isn't the hard part; it's DOING it. Move beyond good intentions to action, one simple step at a time in the Healthy Looks Great on You LAB. An exclusive, private Facebook group for women only. Hosted by: Vickie Petz...

Insulin Resistance: What is it and why does it matter?

Your Hair is Trying to Tell You Something

Your Hair is Trying to Tell You Somthing

Need more support?

Join our private community and let’s do this together.

Hosted by:

Vickie Petz Kasper, M.D.

Diplomate of the American Board of Obstetrics and Gynecology  – Retired

Diplomate of the American Board of Lifestyle Medicine – Retired

Learn more about Dr. Vickie

CAN'T SLEEP?

Get your free guide to turn off your mind and sleep.

Have you ever run your fingers through your hair and discovered it wasn’t as attached as you thought? Hair loss is one of those things that quietly chips away at your confidence — and yet most women never get a real explanation for why it’s happening or what they can do about it.

In this episode, I’m giving you the conversation I wish I’d had with my own patients.


What You’ll Learn in This Episode

  • Why losing up to 100–150 hairs a day is completely normal
  • The 4 stages of the hair growth cycle — and what happens when things go sideways
  • What triggers sudden hair loss (telogen effluvium) versus gradual thinning
  • How hormones — postpartum, birth control, PCOS, and menopause — affect your hair
  • The role of nutrition and which nutrient deficiencies are actually linked to hair loss
  • The truth about biotin, collagen supplements, and whether they’re worth it
  • Which medications can trigger shedding (including an important warning about biotin and your lab results)
  • Alopecia areata, androgenetic alopecia, traction alopecia — what they are and what to do
  • What actually works: minoxidil, Nutrafol, and when to see a dermatologist

Show Notes & Resources

  • Losing 50–150 hairs per day is within the normal range — new growth should keep pace with shedding
  • Telogen effluvium (sudden shedding from stress, illness, surgery, or rapid weight loss) is temporary and usually resolves within 6 months
  • Postpartum hair loss is caused by a drop in estrogen after delivery — it’s normal and it grows back
  • Hormonal changes from stopping or switching birth control, PCOS, and menopause can all trigger hair loss
  • Alopecia areata is an autoimmune condition — see a dermatologist, as newer prescription treatments (including JAK inhibitors) have shown real promise
  • Key nutrients for hair health: iron, zinc, selenium, vitamin D, vitamin A, vitamin B3, biotin, and protein
  • Important: biotin supplements can interfere with certain lab tests, including thyroid panels — always tell your doctor if you’re taking it
  • Excess vitamin A and selenium supplementation can actually cause hair loss — more is not better
  • Topical minoxidil (Rogaine) is available over the counter; low-dose oral minoxidil requires a prescription
  • Nutrafol is a commonly recommended OTC supplement — results vary
  • When in doubt, see a dermatologist — scalp health is their specialty

Healthy Looks Great on You is hosted by Dr. Vickie, a retired OB-GYN and lifestyle medicine physician helping midlife women close the gap between knowing what’s healthy and actually living it.

New episodes weekly — subscribe wherever you listen to podcasts.


Subscribe to newsletter

Fruits, veggies and stethescope

Healthy Looks Great on You The LAB

Join our private community and let’s do this together!

Related Episodes

Eat Beans Without the Bloat

Eat Beans Without the Bloat

Eat Beans Without the BloatKnowing what to do isn't the hard part; it's DOING it. Move beyond good intentions to action, one simple step at a time in the Healthy Looks Great on You LAB. An exclusive, private Facebook group for women only. Hosted by: Vickie Petz...