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Quick Hits: The Hidden Influence of Sunlight and Circadian Rhythm on Blood Sugar & Metabolism

The Hormone Solution | Menopause, Perimenopause, & Women's Midlife Health

Release Date: 06/30/2026

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The Hormone Solution | Menopause, Perimenopause, & Women's Midlife Health

In part one, Dr. Liz Bartman and I broke down why PMDD happens: the histamine surges, the GABA receptor glitch, the progesterone metabolite that either calms you down or completely wrecks you depending on your unique biology. If you haven't listened to that one yet, start there, because this episode builds directly on it. Now we get into the part everyone actually wants to know: what do you do about it? We talk about why popular fixes like DAO supplements and strict low histamine diets usually fall short, and what to focus on instead, starting with your gut, your liver, and your nervous...

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You've been told menopause is a hormonal transition. It's also a vascular one, and almost nobody is talking about it. In this episode, Karen sits back down with Cathy Eason, Chief Science Officer at Berkeley Life, for round two on a molecule most women have never heard of but should know by heart: nitric oxide. It is tiny, it is a gas, and it touches nearly every system in your body. When estrogen drops in perimenopause and menopause, nitric oxide production drops right along with it, and that decline may be quietly connected to your fatigue, your brain fog, your blood pressure, your blood...

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If you've been on social media lately, you've probably seen it: women swearing that a combo of Pepcid and Claritin, ordinary histamine blockers, gave them their life back during the worst days of their cycle. It sounds too simple to be real, and honestly, it kind of is. But the reason it's working for some women and doing absolutely nothing for others is the whole story, and it's a story almost nobody is explaining correctly. In this episode, I sit down with one of my all time favorite guests, Dr. Liz Bartman, to go deep into progesterone sensitivity, PMDD, premenstrual dysphoric disorder, and...

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Welcome to Quick Hits — where we bring you the most impactful moments from past episodes in under 15 minutes. Today’s clip comes from one of our most replayed conversations. If you want the full episode, check the link in the description below. This weeks quick hit we are jumping right into a very important topic: uterine fibroids. Maybe you have experience with fibroids, or maybe you do not even really know what they are yet. Either way, this is a conversation every woman should understand. Fibroids are incredibly common. It is estimated that up to 75 to 80 percent of women may...

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Pellets, Periods, and Not Giving a Damn: A Midlife Hormone Roundtable with Dr. Amie Hornaman & Elle Russ show art Pellets, Periods, and Not Giving a Damn: A Midlife Hormone Roundtable with Dr. Amie Hornaman & Elle Russ

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This is not just a conversation about hormones. It is a conversation about what it means to age as a woman in a culture that is obsessed with youth, terrified of wrinkles, and wildly uncomfortable with female power after 40. In this roundtable episode, I sit down with Dr. Amy Horniman and Elle Russ to talk about the very real physical, emotional, and identity shifts that happen as women move through perimenopause and menopause. We get into everything from early perimenopause symptoms, thyroid issues, SHBG, testosterone, progesterone, estrogen, libido, vaginal dryness, hot flashes, pelvic floor...

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The Hormone Solution | Menopause, Perimenopause, & Women's Midlife Health

Welcome to Quick Hits — where we bring you the most impactful moments from past episodes in under 15 minutes. Today’s clip comes from one of our most replayed conversations. If you want the full episode, check the link in the description below. James O'Hara is a family nurse practitioner who utilizes a utilizes an integrative approach to health which combines lifestyle interventions, appropriate supplementation, and medications when indicated to empower patients to feel better and live longer, healthier lives. Today we're speaking with James about testosterone replacement for women plus...

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If you've ever wondered why you don't want your husband to walk through the door and rip your clothes off anymore, this episode is for you. If you've ever quietly believed something was wrong with you because you don't orgasm easily, or at all, this episode is for you too. I sat down with Dr. Sally Greenwald, a board-certified OB/GYN with specialized training in menopause medicine, and what she shared genuinely stopped me in my tracks. We were taught to protect ourselves from pregnancy and disease. We were never taught how our bodies actually work. No one explained the difference between the...

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Quick Hits: The Hidden Influence of Sunlight and Circadian Rhythm on Blood Sugar & Metabolism show art Quick Hits: The Hidden Influence of Sunlight and Circadian Rhythm on Blood Sugar & Metabolism

The Hormone Solution | Menopause, Perimenopause, & Women's Midlife Health

Welcome to Quick Hits — where we bring you the most impactful moments from past episodes in under 15 minutes. Today’s clip comes from one of our most replayed conversations. If you want the full episode, check the link in the description below. With Dani's guidance, we're exploring how simple changes in light exposure and grounding can revolutionize metabolic health, particularly for those grappling with conditions like PCOS, hypoglycemia, acne, or weight loss resistance. Dani shares her personal journey and expert insights on how morning sunlight can reset circadian rhythms, enhance...

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The Hormone Solution | Menopause, Perimenopause, & Women's Midlife Health

You've made it to part three, and this is the one that ties everything together. If parts one and two left you with a clearer picture of your stress system and your sleep, this episode takes you somewhere deeper: into your thyroid, your brain chemistry, and a layer of midlife that almost nobody talks about on a podcast about hormones. I'm breaking down why your thyroid and your adrenal system are locked in a relationship that most doctors never explain, and why a normal TSH does not mean your thyroid is actually working. Then we go into your neurotransmitters. Serotonin, dopamine, GABA, the...

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The Hormone Solution | Menopause, Perimenopause, & Women's Midlife Health

You're eating "pretty well." You're moving your body. So why does it feel like your muscle is disappearing and your effort isn't paying off the way it used to? In this episode, I sit down with Liz Plosser, former editor-in-chief of Women's Health and a woman who has spent her entire career reporting on health and fitness, to talk about what changes in midlife and why the old rules stop working. Then we go deep on amino acids, what they actually are, why your body becomes less efficient at using them as estrogen declines, and why an essential amino acid supplement might be one of the smartest,...

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More Episodes

Welcome to Quick Hits — where we bring you the most impactful moments from past episodes in under 15 minutes.

Today’s clip comes from one of our most replayed conversations.

If you want the full episode, check the link in the description below.

Listen to the full episode.

Listen on Apple.

With Dani's guidance, we're exploring how simple changes in light exposure and grounding can revolutionize metabolic health, particularly for those grappling with conditions like PCOS, hypoglycemia, acne, or weight loss resistance. Dani shares her personal journey and expert insights on how morning sunlight can reset circadian rhythms, enhance metabolic functions, and improve overall well-being. We also discuss practical tips for safely incorporating natural light into daily routines, the benefits of UVA and UVB light, and the impact of blue light on sleep and metabolic health.

In the full episode we discuss:

  • Why light exposure and grounding are crucial for improving metabolic health.
  • How morning sunlight can reset circadian rhythms and enhance metabolic functions.
  • The roles of UVA and UVB light in producing melanin and vitamin D.
  • Why sunglasses and sunscreen may not always be necessary.
  • How blue light affects sleep quality and metabolic health.
  • The benefits of using blue-blocking glasses and strategic light exposure.
  • How seasonal eating and deuterium depletion contribute to metabolic health.
  • The connection between lead toxicity and low vitamin D levels.
  • How infrared light and grounding improve redox potential and cellular health.
  • Why aligning light exposure and meal times with natural cycles is essential.
  • How UVA light enhances mood, fat burning, and detoxification.
  • The surprising role of infrared light in daytime melatonin production.
  • Why spending time outside can improve mental health.
  • The impact of LED lights and indoor environments on health.
  • How natural sunlight supports vitamin D synthesis and overall well-being.
  • Tips for safe sun exposure and building a solar callus.
  • The effectiveness of different colored light bulbs and blue-blocking glasses.
  • Why maintaining a pitch-black bedroom is important for melatonin release.

 

Dani Hamilton Health website: https://www.daniellehamiltonhealth.com/

 

 

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Your host:

Karen Martel

Certified Hormone Specialist, Transformational Nutrition Coach, & Weight Loss Expert

 

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