Midlife Mayhem

Leptin Explained: Why You’re Always Hungry & Why Fat Loss Gets Hard

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Leptin: The Hormone That Can Make You Hungry… or Not

Hello Midlife Mayhem—

Today we’re talking about something that explains a LOT when it comes to fat loss and appetite:

👉 Leptin

And I’ll start with this—

I recently did a podcast on appetite, and while the information was solid…

I didn’t fully acknowledge the people who are:

👉 Hungry all the time

👉 Fighting cravings constantly
👉 Being told “just eat less” when it feels impossible

This episode fixes that.

🧬 What is Leptin?

Leptin is your body’s appetite regulator, produced by your fat cells.

👉 More fat = more leptin

👉 Less fat = less leptin

And your brain responds like this:

High leptin:

  • Eat less
  • Burn more

    • Low leptin:

    • Eat more
    • Burn less

      • 👉 Perfect in theory… frustrating in real life.

      ⚖️ Why Fat Loss Gets Hard

      As you lose weight:

      • Leptin drops
      • Your brain senses “less stored energy”
      • You get hungrier
      • Your metabolism slows

        • 👉 This is why those last pounds feel so difficult.

        It’s not you. It’s physiology.

        🔁 Leptin Resistance (This Changes Everything)

        This is where it really matters.

        👉 You have plenty of leptin… but your brain doesn’t recognize it.

        So instead of saying:

        “we’re fine”

        Your brain says:

        👉 “we’re starving”

        And the result:

        • Constant hunger
        • Lower calorie burn
        • Strong drive to eat

          • 👉 This is not a willpower issue.

          💉 Weight Loss Medications (The Fork in the Road)

          These medications reduce appetite—and for many people, that’s life-changing.

          But then comes a fork:

          Path 1:
          • No real habit change
          • Appetite returns
          • Weight comes back
            • Path 2:
            • Better food choices
            • More protein
            • Strength training
            • New identity

              • 👉 Same tool. Completely different outcome.

              🔄 Leptin Refeeds

              Strategically increasing calories (especially carbs) can signal:

              👉 “We’re not starving”

              This can help:

              • Keep fat loss moving
              • Reduce metabolic slowdown
              • Improve adherence

                • And yes—

                👉 It needs carbs to work properly.

                🧠 The Takeaway

                Leptin can:

                • Help regulate appetite
                • Or completely override it

                  • So if you’ve ever thought:

                  👉 “Why am I always hungry?”

                  There may be a real physiological reason.

                  🎧 Listen to the full episode

                  If appetite has ever felt like a constant battle—

                  this one will connect a lot of dots.

                  📺 Join me LIVE every Sunday

                  I go live on YouTube every Sunday—

                  breaking all of this down in real time.

                  👉 Subscribe here: @joanneleecornish

                  🛒 Products & Programs

                  👉 www.joannelee.com

                  📩 Questions?

                  👉 [email protected]

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                  Midlife MayhemBy joanne lee cornish