The School of Doza Podcast

Nurse Doza’s Podcast comes to life in a very interactive way. Sure you can listen to the podcast, but this is just the beginning of your education in health. Every week, Nurse Doza dives into new health subjects and encourages you to submit your questions to be answered on the podcast, newsletter, YouTube, LinkedIn, and every other way that you like to take in educational media.

The School of Doza Podcast is a health podcast hosted by Unknown Host, with 297 episodes on record and a Required Pod Score of 80. PitchCentric scores this show on Booking Probability, Listen Score, and live audience signals refreshed every 24 hours.

Unknown Host hosts The School of Doza Podcast, a health show with 297 episodes published.

Our AI reads these to draft pitches. Use them as grounding for a pitch that cites a real guest and a specific topic.

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  Episode #302

  Methylation: The Hidden Process That Controls Your Energy, Mood, and Hormones

  Aug 17, 20266 min

  Methylation is a chemical process running billions of times per second inside your body — and when it slows down, you feel it as fatigue, low mood, brain fog, and hormone symptoms. Nurse Doza breaks down what methylation actually does, why the MTHFR gene variant makes the cycle run less efficiently, why folic acid is the wrong form of folate if you carry it, and the four steps that support your methyl donor supply. FEATURED PRODUCT Bliss (Mood Booster) — $129 Bliss is a lemon-flavored daily stick pack built around TMG (trimethylglycine) — a naturally occurring methyl donor. It is formulated to support the biochemical reactions that require methyl groups: neurotransmitter synthesis and healthy mood, the conversion of homocysteine to glutathione, and liver health.* If the episode described you — normal labs, still running on empty — Bliss is the piece that feeds the cycle directly instead of asking your genetics to do the conversion work. Get Bliss here: https://mswnutrition.com/products/bliss JOIN THE SCHOOL Understanding methylation is one thing. Knowing which form of B12 to take, what to ask for on a lab panel, and what to do when your results come back "normal" is another — and that is exactly what the School of Doza is for. Inside, you get the courses that go deeper than a 7-minute video, a community of people working through the same fatigue-and-brain-fog puzzle, and the Wednesday AMA — a live group consult session where you can bring your own questions to Nurse Doza in real time. It is live only, so it is a conversation, not a recording. Start your free trial: https://community.schoolofdoza.com/c/start-here 5 KEY TAKEAWAYS Methylation is a transfer reaction. A methyl group — one carbon bonded to three hydrogens — moves from one molecule to another, and your body needs that transfer for neurotransmitter production, hormone clearance, DNA repair, cellular energy, and glutathione synthesis. When methylation runs slowly, the symptoms get blamed on other things. Chronic fatigue, low mood, anxiety, hormone imbalance, sluggish detox, brain fog, elevated homocysteine, and inflammation are not random — methylation is often the thread connecting them. MTHFR is the gene that converts folate into its active, usable form. A 2025 review in Genes reports the common C677T polymorphism averages 30–40% prevalence across populations and reduces enzyme efficiency by roughly 35% per mutated allele — so carrying two copies means a meaningfully slower cycle. If you carry the variant, folic acid is the wrong form. Methylfolate is already converted, so your body does not have to perform the exact step the variant makes harder. The same logic applies to choosing methylated B12 over cyanocobalamin. TMG (trimethylglycine, also called betaine) donates methyl groups straight into the cycle. A 2021 review in Biology describes betaine restoring the SAM:SAH methylation ratio and supporting liver health and glutathione production — which is why TMG is the backbone of Bliss. RESOURCES MTHFR Gene Polymorphisms: A Single Gene with Wide-Ranging Clinical Implications (Genes, 2025): https://www.mdpi.com/2073-4425/16/4/441 Beneficial Effects of Betaine: A Comprehensive Review (Biology, 2021): https://www.mdpi.com/2079-7737/10/6/456 The Role of Folate and MTHFR Polymorphisms in the Treatment of Depression (Altern Ther Health Med, 2021): https://pubmed.ncbi.nlm.nih.gov/32827402/ Bliss (Mood Booster) by MSW Nutrition: https://mswnutrition.com/products/bliss Join the School of Doza — start your free trial: https://community.schoolofdoza.com/c/start-here CONNECT WITH NURSE DOZA JOIN MY SCHOOL for FREE: https://community.schoolofdoza.com/c/start-here YouTube: https://www.youtube.com/channel/UCwcKyagDi468WscAOWM5VHA Instagram: https://www.instagram.com/nursedoza/ Website: http://www.nursedoza.com/ LinkedIn: https://www.linkedin.com/in/jonathan-mendoza-dc-aprn-np-c-0609a038/ TikTok: https://www.tiktok.com/@nursedoza Twitter: https://twitter.com/nursedoza

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  Episode #300

  Red Light Panels: Mitochondria, Violet Light & the 40Hz Setting

  Aug 13, 20263 min

  In this Wellness Tech installment, Jonathan Mendoza, DC, APRN, NP-C — Nurse Doza — explains why red light panels have become a daily fixture in his clinic and his home. He covers how red and near-infrared wavelengths reach the mitochondria to support healthy ATP production, why panels deliver solar-style input without UV exposure, how he personally uses violet light to wind down at night, and what the emerging 40Hz gamma-frequency research does and does not yet show in humans. FEATURED PARTNER LightpathLED builds veteran-owned red and near-infrared light therapy panels. Nurse Doza uses one daily and highlights this brand specifically because it offers more than a single red setting — it includes violet-spectrum output and adjustable frequency, including a 40Hz option he notes he hasn't found on other consumer panels. Shop: https://lightpathled.com Code: NURSEDOZA (discount applied at checkout) Current promo:Select Diesel Gen3 panels ship with a free stand — verify at checkout, promos change Join the School of Doza The School of Doza is a paid health-education community with live group consults every **Wednesday at 1 PM Central**, plus courses, protocols, and direct access to Nurse Doza. Start your free trial: https://www.schoolofdoza.com --- 5 Key Takeaways 1. Red and near-infrared light interact with your mitochondria, not just your skin.These wavelengths are absorbed by cytochrome c oxidase in the electron transport chain, which supports healthy ATP production — the mechanism researchers call photobiomodulation. 2. A panel delivers solar-style light input without the UV load.Most people spend the majority of daylight hours indoors under light their cells don't recognize. Red light panels are one way to add that input without the burn risk that comes with UV exposure. 3. Panels are low-friction to use. No undressing required — Nurse Doza sits in front of his and lets it hit his forehead. He uses sessions in the two-to-five-minute range as his own personal routine, not a prescribed protocol. 4. Violet light sits at the opposite end of the visible spectrum from red. Nurse Doza reports using violet output in the evening as part of his wind-down. This is his subjective experience — violet-specific calming effects are not yet well established in the peer-reviewed literature. 5. The 40Hz frequency setting is an area of active research, not settled science. Gamma-frequency entrainment at 40Hz has been studied for its effects on brain activity, but the most-cited amyloid findings are from animal models and have published author corrections. Interesting, worth following — not a treatment. Citations: 1. de Freitas LF, Hamblin MR. **Proposed Mechanisms of Photobiomodulation or Low-Level Light Therapy.** *IEEE Journal of Selected Topics in Quantum Electronics.* 2016. PMID: 28070154 — https://pubmed.ncbi.nlm.nih.gov/28070154/ 2. Hamblin MR. **Mechanisms and Mitochondrial Redox Signaling in Photobiomodulation.** *Photochemistry and Photobiology.* 2018. PMID: 29164625 — https://pubmed.ncbi.nlm.nih.gov/29164625/ 3. Maghfour J, Ozog DM, Mineroff J, Jagdeo J, Kohli I, Lim HW. **Photobiomodulation CME Part I: Overview and Mechanism of Action.** *Journal of the American Academy of Dermatology.* 2024. PMID: 38309304 — https://pubmed.ncbi.nlm.nih.gov/38309304/ 4. Nairuz T, Cho S, Lee JH. **Photobiomodulation Therapy on Brain: Pioneering an Innovative Approach to Revolutionize Cognitive Dynamics.** *Cells.* 2024. PMID: 38891098 — https://pubmed.ncbi.nlm.nih.gov/38891098/ 5. Iaccarino HF, Singer AC, Martorell AJ, et al. **Gamma frequency entrainment attenuates amyloid load and modifies microglia.** *Nature.* 2016;540:230–235. PMID: 27929004 · PMCID: PMC5656389 — https://pmc.ncbi.nlm.nih.gov/articles/PMC5656389/ *Note: animal-model study. Two author corrections have since been published (2018, 2024).* Bonus — sleep and LED light therapy: Liao YH, Tai CJ, Ming JL, Lin LH, Chien LY. **The Effectiveness of Low-Level LED Light Therapy for Sleep Problems, Psychological Symptoms, and Heart Rate Variability in Shift-Work Nurses: A Randomized Controlled Trial.** *Journal of Nursing Management.* 2025. PMID: 40557249 — https://pubmed.ncbi.nlm.nih.gov/40557249/ Connect with Nurse Doza: JOIN MY SCHOOL for FREE: https://community.schoolofdoza.com/c/start-here YouTube: https://www.youtube.com/channel/UCwcKyagDi468WscAOWM5VHA Instagram: https://www.instagram.com/nursedoza/ Website: http://www.nursedoza.com/ LinkedIn: https://www.linkedin.com/in/jonathan-mendoza-dc-aprn-np-c-0609a038/ TikTok: https://www.tiktok.com/@nursedoza Twitter: https://twitter.com/nursedoza

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  Episode #299

  Why You're Tired All the Time: Your Adrenal Glands (Metabolic Series)

  Aug 6, 20262 min

  In this School of Doza episode, Nurse Doza opens the Metabolic Series with the adrenal glands — and why you may feel tired all day, crash between 2 and 4 PM, and wake up unrested. He explains how chronic stress can keep the body stuck in fight-or-flight, why that pattern is hard to shift, and the daily levers he leans on: belly breathing, less screen time at night, and morning sunlight. Then he breaks down Zen by MSW Nutrition — adrenal glandular plus four adaptogens — for stress support. FEATURED PARTNER Zen by MSW Nutrition is built in three layers rather than a single botanical: **125 mg of adrenal glandular tissue** (bovine, sourced from Argentina), **four standardized adaptogens** — Asian ginseng, rhodiola, eleuthero, and schisandra — plus **cofactor nutrients** (vitamin C, B6 as P5P, and pantothenic acid). Licorice rounds out the 9-ingredient formula. It's the supplement Nurse Doza reaches for when the goal is supporting the adrenal glands and the body's stress response, instead of layering more caffeine on top of a depleted system. **Get Zen (Buy 2, Get 1 Free — 3 bottles $138, free shipping):** https://zen.mswnutrition.com Not a subscription — every order is one-time. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Zen contains licorice root, which may affect blood pressure and potassium and can interact with some medications. If you're pregnant or nursing, have high blood pressure, or take prescription medication — including corticosteroids or blood pressure medication — talk with your provider before starting Zen. Persistent fatigue has many possible causes; work with a licensed provider rather than self-diagnosing.* KEY TAKEAWAYS 1. The 2–4 PM crash isn't a caffeine deficit. 2. Chronic stress can keep you stuck in fight-or-flight. 3. **"Tired but wired" is worth investigating, not self-diagnosing.** Persistent fatigue overlaps with thyroid issues, anemia, sleep apnea, blood sugar swings, and mood disorders. The symptom pattern is a signal to get properly worked up with a provider — not a diagnosis you give yourself. 4. **Three free levers, plus a way to track them.** Belly breathing, less screen time at night, and morning sunlight are the daily habits Nurse Doza returns to first — slow diaphragmatic breathing in particular has measurable effects on cardiac vagal activity. If you wear a device, resting heart rate and HRV are useful trend lines to watch over weeks, not days. 5. **Zen layers glandular, adaptogens, and cofactors.** Rather than one extract, Zen combines 125 mg of bovine adrenal glandular tissue with four standardized adaptogens and the vitamin C, B6, and pantothenic acid the stress-response pathway draws on — formulated to support adrenal function and stress resilience. ## RESOURCES *Based on peer-reviewed literature:* 1. **HPA axis dysregulation — recognition and recovery** – Integrative review of how the hypothalamic-pituitary-adrenal axis becomes dysregulated under stress, and the diagnostic and management approaches used. *The American Journal of Medicine,* 2025. PMID 40499704 — https://pubmed.ncbi.nlm.nih.gov/40499704/ 2. **How adaptogens work** – Review of the system-level, molecular, and cellular mechanisms of selected plant adaptogens, including their effects on stress-response signaling. *Nutrients,* 2026. https://pmc.ncbi.nlm.nih.gov/articles/PMC13029160/ 3. **Rhodiola rosea, fatigue & stress** – Systematic review of *Rhodiola rosea* for physical and mental fatigue. Worth noting: the authors conclude the trial evidence is mixed and call for more rigorous RCTs — the mechanistic rationale is stronger than the clinical trial base. *BMC Complementary and Alternative Medicine,* 2012. https://pmc.ncbi.nlm.nih.gov/articles/PMC3541197/ 4. **Eleuthero as an adaptogen** – Comprehensive review of *Eleutherococcus* root phytochemistry and pharmacology in the context of its adaptogenic effect. *Frontiers in Pharmacology,* 2025. https://pmc.ncbi.nlm.nih.gov/articles/PMC12605232/ 5. **Slow breathing & vagal tone** – Randomized crossover trial showing slow deep breathing increases heart rate variability and modulates cardiac vagal activity in healthy men. *Scientific Reports,* 2021;11:20306. https://doi.org/10.1038/s41598-021-99183-2 ## Connect with Nurse Doza: JOIN MY SCHOOL for FREE: https://community.schoolofdoza.com/c/start-here - YouTube: https://www.youtube.com/channel/UCwcKyagDi468WscAOWM5VHA - Instagram: https://www.instagram.com/nursedoza/ - Website: http://www.nursedoza.com/ - LinkedIn: https://www.linkedin.com/in/jonathan-mendoza-dc-aprn-np-c-0609a038/ - TikTok: https://www.tiktok.com/@nursedoza - Twitter: https://twitter.com/nursedoza

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  Episode #298

  Your Liver, Your Blood Sugar & Why They’re Linked

  Aug 3, 202629 min

  Your liver and blood sugar are far more connected than most people realize. In this episode, Nurse Doza walks through five links between the two: how the liver stores and releases glucose, where insulin resistance actually begins, how stress and cortisol raise blood sugar without food, how all of it lands on your mitochondria, and what obesity has to do with the whole picture. Featured Product The Metabolic Pack bundles the three formulas this episode keeps circling back to: Liver Boost to support phase I and phase II liver detoxification pathways, Mitochondriac for resveratrol, quercetin and pterostilbene to support cellular energy production, and Zen to support a healthy stress and cortisol response. Liver, cellular energy, and stress — supported together in one simple daily protocol. Suggested use: 2 Liver Boost, 1 Mitochondriac, and 1 Zen daily with food. Get the Metabolic Pack here: https://mswnutrition.com/products/metabolic-pack These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Join the School of Doza If this episode explained the energy crashes, the 3pm cravings, or the blood sugar numbers that never seem to move, the next step is not another podcast — it is asking your own questions. Every Wednesday inside the School of Doza we run a live Ask Me Anything: a live-only group consult where you can bring your labs, your blood sugar, your liver questions, or your supplement routine and get direct answers in real time. You also get the $10 course library, including the stress management course mentioned in this episode, plus a community of people working through the same metabolic questions instead of guessing alone. Start your free trial: https://community.schoolofdoza.com/c/start-here 5 Key Takeaways Your liver is the body’s main glucose storage tank. It stores glucose as glycogen after you eat and releases it back into circulation when you fast — which is why your blood sugar keeps running even when you skip a meal. Insulin is the middleman between the two. When there is more glucose coming in than your muscles are using, insulin keeps packing it into the liver and fat cells — and that pattern is where hepatic insulin resistance and fatty liver take hold. Stress raises blood sugar without a single bite of food. Cortisol drives the liver to release stored glucose, and chronically elevated cortisol also drives the cravings that put more of it back. Muscle is the escape valve. Roughly 80% of the glucose from a meal is designed to go to skeletal muscle — but only if you actually use it. Movement after meals is one of the most underrated tools for insulin sensitivity. It all lands on your mitochondria. Insulin resistance and impaired mitochondrial function travel together in type 2 diabetes and fatty liver, which is why supporting the liver, the stress response, and cellular energy at the same time makes more sense than chasing one symptom. Timestamps 00:00 START – Welcome and episode overview 01:54 – Class is in session: why liver and blood sugar belong in the same conversation 02:10 – LINK 1 — Your liver stores your blood sugar 03:52 – The four main storage sites: muscle, liver, fat cells, brain 05:10 – The refrigerator analogy: whatever is in your fridge ends up in your liver 06:10 – LINK 2 — Diabetes and where insulin resistance starts 07:46 – Insulin as the Uber driver for everything you eat 09:58 – What is inside Liver Boost and why those ingredients matter here 11:30 – LINK 3 — Stress raises blood sugar without you eating 11:51 – Cortisol, morning wake-up, and fasting blood sugar 13:50 – Zen, adrenal support, and the $10 stress management course 16:18 – Why exercise is the most underrated blood sugar tool 18:32 – The endurance athlete paradox nobody talks about 20:14 – LINK 4 — Blood sugar and the liver regulate your mitochondria 25:07 – LINK 5 — Obesity, resveratrol, AMPK, and PGC-1 alpha Resources Metabolic Pack — MSW Nutrition — https://mswnutrition.com/products/metabolic-pack Liver Boost (Detox) — MSW Nutrition — https://mswnutrition.com/products/liver-boost Mitochondriac (NAD+ Support) — MSW Nutrition — https://mswnutrition.com/products/mitochondriac Zen (Stress Relief) — MSW Nutrition — https://mswnutrition.com/products/zen School of Doza — start your free trial — https://community.schoolofdoza.com/c/start-here School of Doza — $10 courses — https://schoolofdoza.com/courses Hepatic Glucose Metabolism in the Steatotic Liver (Frontiers in Endocrinology) — https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2018.00802/full Gluconeogenesis overview (Britannica) — https://www.britannica.com/science/gluconeogenesis Cortisol, insulin resistance and metabolic regulation (Metabolites, MDPI) — https://www.mdpi.com/2218-1989/14/6/336 Hepatic mitochondrial function in insulin resistance and NAFLD (PMC) — https://pmc.ncbi.nlm.nih.gov/articles/PMC7811046/ Mitochondrial dysfunction, obesity and insulin resistance (Frontiers in Physiology) — https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2019.00532/full Resveratrol, AMPK and hepatocyte mitochondria (Molecular Pharmacology) — https://molpharm.aspetjournals.org/article/S0026-895X(24)09107-7/abstract World Obesity Day — global obesity projections — https://www.worldobesityday.org/ Connect with Nurse Doza JOIN MY SCHOOL for FREE: https://community.schoolofdoza.com/c/start-here YouTube: https://www.youtube.com/channel/UCwcKyagDi468WscAOWM5VHA Instagram: https://www.instagram.com/nursedoza/ Website: http://www.nursedoza.com/ LinkedIn: https://www.linkedin.com/in/jonathan-mendoza-dc-aprn-np-c-0609a038/ TikTok: https://www.tiktok.com/@nursedoza Twitter: https://twitter.com/nursedoza

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  Episode #297

  The Belly Fat Trap: Why Your Testosterone Keeps Dropping

  Jul 30, 20268 min

  In this School of Doza episode, we break down the loop between stubborn belly fat and low testosterone: fat tissue raises aromatase activity, converts testosterone into estradiol, and releases inflammatory signals that can suppress the brain-to-testes axis. He then walks through five everyday factors pushing testosterone the wrong direction—alcohol, fast food, sugar, sitting, and poor sleep—and what to change first when energy, motivation, and workouts have all quietly flattened out. FEATURED PARTNER Zen by MSW Nutrition is the adrenal and adaptogen formula Nurse Doza reaches for when stress is the thing driving the loop. Every one of the five factors in this episode—alcohol, processed food, blood sugar swings, sedentary days, broken sleep—lands on the same stress-response system that sits upstream of hormone signaling. Zen pairs bovine adrenal concentrate with Asian ginseng, eleuthero, schisandra, and rhodiola, plus 150 mg of pantothenic acid, P-5-P (activated B6), and vitamin C, to support the body's adaptogenic response and normal adrenal function—without caffeine. Get Zen (Stress Relief): https://mswnutrition.com/products/zen Two capsules daily. Free shipping on orders over $149, and 5% off when you subscribe. These statements have not been evaluated by the FDA. Zen is not intended to diagnose, treat, cure, or prevent any disease. Zen is not a testosterone treatment. If you're pregnant or nursing, have high blood pressure, or take prescription medication—including blood pressure or blood-sugar medication—talk with your provider before starting a new supplement. Licorice root may raise blood pressure in some people. 5 KEY TAKEAWAYS Belly fat and low testosterone feed each other. Fat tissue is hormonally active. As it increases, aromatase activity can rise—converting more testosterone into estradiol—while inflammatory signals and adipokines like leptin may suppress the hypothalamic-pituitary-testicular axis. Low T makes fat easier to gain, and that fat makes healthy T harder to hold. Alcohol disrupts the signal, and the pattern matters more than the drink. Alcohol can interfere with GnRH from the brain and LH and FSH from the pituitary—the chain that tells the testes to produce testosterone. Heavier intake shows a stronger effect than light or occasional drinking, and beer adds phytoestrogenic hops compounds like 8-prenylnaringenin on top. Fast food creates a metabolic environment that isn't testosterone-friendly. Refined carbs, certain polyunsaturated fats, low fiber, and packaging and pesticide exposures stack up. One meal isn't the issue—the repeated pattern is, because it drives belly fat, insulin resistance, and inflammation right back into the aromatase loop. Sitting is a hormonal input, not just a posture problem. Research has found a non-linear relationship between sedentary time and testosterone deficiency, with a marked jump in likelihood once daily sitting exceeds roughly 4.5 hours. Large-muscle work—squats, hinges, lunges, leg press, loaded carries—sends a stronger signal than isolation work alone. Testosterone is made on a sleep schedule. Levels rise during sleep and are typically highest in the morning. Sleep restriction and fragmentation can blunt that rhythm, disrupt diurnal GnRH release, and cut into the early REM window when testosterone tends to run higher. Fix sleep before you chase anything exotic. RESOURCES Based on peer-reviewed literature: Alcohol, LH, FSH & testosterone https://pmc.ncbi.nlm.nih.gov/articles/PMC11759224/ Dietary fat quality & androgens – Cross-sectional analysis of dietary fat quality and serum androgen concentrations in middle-aged men. European Journal of Clinical Nutrition, 2023. https://www.nature.com/articles/s41430-023-01358-9 Leptin, obesity & low testosterone – Review of the role of leptin and low testosterone in obesity, including HPG-axis suppression and aromatase activity. International Journal of Impotence Research, 2022. https://www.nature.com/articles/s41443-022-00534-y Sedentary time & testosterone deficiency – Non-linear association and threshold effect of sedentary behavior on testosterone deficiency (marked risk increase past ~4.5 h/day). Endocrine, 2025. https://link.springer.com/article/10.1007/s12020-025-04199-7 Sleep restriction & testosterone – Leproult R, Van Cauter E. Effect of 1 week of sleep restriction on testosterone levels in young healthy men. JAMA, 2011. https://pmc.ncbi.nlm.nih.gov/articles/PMC4445839/ Connect with Nurse Doza: JOIN MY SCHOOL for FREE: https://community.schoolofdoza.com/c/start-here YouTube: https://www.youtube.com/channel/UCwcKyagDi468WscAOWM5VHA Instagram: https://www.instagram.com/nursedoza/ Website: http://www.nursedoza.com/ LinkedIn: https://www.linkedin.com/in/jonathan-mendoza-dc-aprn-np-c-0609a038/ TikTok: https://www.tiktok.com/@nursedoza Twitter: https://twitter.com/nursedoza

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