The School of Doza Podcast

Fatty liver and belly fat tend to show up together, and this episode makes the case that it isn't a coincidence. Your liver is one of the main places your body decides whether fat gets stored, moved, or burned for fuel. Nurse Doza walks through six things that get in the liver's way — insulin resistance, too little brown fat, gut damage, eating when you're not hungry, poor methylation, and shallow sleep — and what the research says about each one.

FEATURED PRODUCT
Liver Boost (Detox) — $111

Sixteen ingredients in a single capsule — milk thistle, NAC, alpha-lipoic acid, turmeric, broccoli seed extract, green tea extract, selenium — formulated to support phase I and phase II liver detoxification and your body's own glutathione production.*

This whole episode is about clearing the path for the organ doing the work. Liver Boost is support for that organ while you change the sleep, the food, and the fasting window. One to two capsules a day.

Through October 31: buy 2, get 1 free — 3 bottles for $222, roughly a six-month supply. No code needed; the discount applies at checkout.

👉 Get Liver Boost here: https://liverboost.mswnutrition.com

*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. Individual results vary; this is education, not medical advice.

JOIN THE SCHOOL OF DOZA
If this episode left you looking at a lab report that never had fasting insulin or leptin on it, that gap is exactly what the School of Doza was built for. Same for the belly fat that hasn't moved in a year of doing everything right.

Every Wednesday there's a live Ask Me Anything that runs like a group consult — labs, nutrition, supplements, liver questions, belly fat questions. You bring it, Nurse Doza answers it directly. It's live only and never recorded, so being in the room is the whole point.

Inside you will also find the courses referenced in this episode — fasting, the liver, MTHFR, and sleep — plus the community working through the same things you are.

👉 Start your free trial: https://community.schoolofdoza.com/c/start-here

5 KEY TAKEAWAYS

Insulin resistance usually shows up before the weight does. Research associates fatty liver with higher insulin resistance, and the early liver changes often appear ahead of obesity — which is part of why "eat less, move more" stalls out for so many people.

Fat tissue behaves like an organ, not a storage closet. Inflamed white fat around the middle loses some of its ability to help regulate insulin, and cold exposure is associated with more brown fat activity and better clearance of circulating glucose and triglycerides.

The gut tends to struggle first. Dysbiosis and a compromised gut lining are linked to liver fat and inflammation, and your gut microbiome is part of your own GLP-1 production — which is rarely part of the conversation.

Leptin is insulin's shadow. It rises when you eat, it tracks with how much body fat you carry, and leptin resistance is why people end up eating on schedule instead of on hunger. Neither leptin nor fasting insulin is on a standard panel.

Methylation and deep sleep are the two clearance pathways nobody checks. MTHFR variants are associated with higher fatty liver risk, and short sleep duration is associated with fatty liver — so the overnight hours matter as much as the plate.

TIMESTAMPS
00:00 START – Welcome and episode overview

02:54 – #1 Insulin resistance

05:59 – Fasting to lower insulin

07:14 – Diet, simple carbs, and berberine

08:44 – #2 Not enough brown fat

11:35 – Cold exposure and thermogenesis

14:03 – #3 Gut issues and your own GLP-1

16:33 – Leaky gut, dysbiosis, and testing

18:58 – The inflammation cascade: IL-6 and hs-CRP

22:02 – #4 Eating when you're not hungry

23:25 – Leptin resistance and the missed signal

25:52 – Fasting insulin and leptin on labs

28:28 – #5 Poor methylation and MTHFR

33:21 – #6 Deep sleep

38:07 – Liver Boost and the October offer

RESOURCES
Links are printed as visible text — YouTube strips hyperlinks from descriptions.

Non-alcoholic fatty liver disease and insulin resistance — https://pmc.ncbi.nlm.nih.gov/articles/PMC10638269/

Brown adipose tissue, cold exposure and hepatic fat (Cell Reports Medicine) — https://www.cell.com/cell-reports-medicine/fulltext/S2666-3791(21)00255-X

Role of Leptin in Non-Alcoholic Fatty Liver Disease (Biomedicines, 2021) — https://pmc.ncbi.nlm.nih.gov/articles/PMC8301314/

Leptin secretion and body energy stores (Metabolism) — https://www.sciencedirect.com/science/article/abs/pii/S0026049514003060

Gut microbiome and NAFLD: impact and therapeutic potential (Frontiers in Microbiology, 2024) — https://pmc.ncbi.nlm.nih.gov/articles/PMC11632136/

MTHFR C677T and A1298C polymorphisms and NAFLD risk (PLOS ONE) — https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0154337

MTHFR variants and non-alcoholic steatohepatitis — https://pmc.ncbi.nlm.nih.gov/articles/PMC2797657/

Liver detoxification and endogenous antioxidants — https://pmc.ncbi.nlm.nih.gov/articles/PMC10181083/

Short sleep duration and non-alcoholic fatty liver disease — https://pmc.ncbi.nlm.nih.gov/articles/PMC11729180/

Liver Boost by MSW Nutrition — https://mswnutrition.com/products/liver-boost

School of Doza — free trial — https://community.schoolofdoza.com/c/start-here

CONNECT
🔗 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

Muscle after 40 is the thing women are told to ignore, and it is the one that changes everything. Nurse Doza breaks down why skeletal muscle is an organ, how it makes its own estrogen, why insulin resistance shows up in muscle first, and how much protein menopause actually calls for. Plus the amino acid most women have never been told about.

Featured Product
Liver Boost (Detox) by MSW Nutrition — a comprehensive formula designed to support phase I and phase II liver detoxification of environmental toxins.* Estrogen doesn't simply disappear once it has done its job: it gets conjugated in the liver and cleared through bile. This episode is about the estrogen your muscles make, and the liver is the organ standing at the end of that pathway — the same organ Nurse Doza points back to when he talks about glycogen, fatty liver, and hormones in your forties.

October only: buy 2, get 1 free — 3 bottles for $222, a six-month supply. No code needed; the discount applies at checkout.

👉 Get Liver Boost here: https://liverboost.mswnutrition.com

Also mentioned in this episode — Gut (Digestive Health), the L-glutamine powder Nurse Doza takes at 8 grams each morning, 4 grams per scoop, nothing else added.

👉 Get Gut here: https://mswnutrition.com/products/gut

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 named something you have been living with — aches that got written off as aging, a scale that will not move no matter how little you eat, hormone advice that contradicts itself every time you ask — the School is where those questions get answered directly instead of in a comment thread.

Every Wednesday at 1pm Central there is a live Ask Me Anything that runs like a group consult. Labs, nutrition, supplements, what is actually going on in your body. You bring the question, Nurse Doza answers it in the room. These are live sessions, not recordings — you have to be there.

The Liver Course is running right now, class plus Q&A every Tuesday, wrapping October 13 with Building Your Liver Protocol. September 29 is The Gut Liver Loop, which connects straight to the gut and muscle conversation in this episode.

Your first 7 days are free, so you can sit in on an AMA or a class and decide for yourself.

👉 Start your free trial: https://community.schoolofdoza.com/c/start-here

5 Key Takeaways

Your muscles are an organ, not just tissue. Skeletal muscle is a collection of muscle, connective, nervous and vascular tissue working together, and it releases signaling molecules of its own. Treating it as decoration misses what it actually does for posture, structure, and metabolism.

Skeletal muscle makes its own estrogen. Beyond the ovaries, muscle carries the enzymes to produce what researchers call myogenic estrogen. Exercise appears to support that local production, which in turn supports muscle mass, function, metabolism, and repair — a loop that matters most for women after menopause.

Menopause raises the protein bar. The general recommendation is 1.0 to 1.2 grams of protein per kilogram of body weight per day. At 150 pounds that is roughly 68 to 81 grams daily, which is four to five eggs in the morning and something comparable at every other meal.

Insulin resistance shows up in muscle first. Skeletal muscle is where most insulin-driven glucose uptake happens, so it is also where impaired glucose handling appears earliest — often years before anything shows on a routine panel. As estrogen falls, insulin sensitivity tends to fall with it, which is part of why weight becomes harder to manage in the forties.

Toning versus bulking is a programming decision. Moderate weight, 8 to 12 reps, 2 to 3 sets, bodyweight and banded work mixed in — that builds strength and shape without the volume and intensity that drive maximum size. Bulk is something you train for on purpose, not something that happens by accident.

Timestamps
00:00 START – Welcome and episode overview

01:45 – What is happening inside the School of Doza

03:00 – #1: Your muscles are an organ, not just tissue

04:39 – #2: Your muscles need estrogen

05:20 – Myogenic estrogen: made in skeletal muscle

07:01 – Atrophy, aches, and estrogen receptors

08:10 – Protein in menopause: the actual number

08:50 – The protein math: 68 to 81 grams a day

11:16 – When protein is simply too much food

13:40 – L-glutamine, and four grams per scoop

14:35 – #3: Insulin, the most anabolic hormone you make

15:48 – Estrogen, insulin, and the ovaries

18:12 – Glycogen, fatty liver, and fatty muscle

20:33 – #4: You will not bulk up unless you want to

25:18 – #5: Testosterone is not always the answer

Resources

Why are muscles considered organs — WellBX: https://wellbx.com/why-are-muscles-considered-organs-a-deep-dive-into-their-complex-anatomy

Myogenic estrogen and skeletal muscle — J Endocrinol Invest, 2025: https://link.springer.com/article/10.1007/s40618-025-02726-x

Menopause and metabolism — Oura: https://ouraring.com/blog/menopause-and-metabolism/

Skeletal muscle insulin resistance — PMC: https://pmc.ncbi.nlm.nih.gov/articles/PMC2811436/

How to lift without bulking — Simply Strong: https://www.simplystrongapp.com/blog/how-to-lift-without-bulking

Low testosterone in women — Cleveland Clinic: https://my.clevelandclinic.org/health/diseases/24897-low-testosterone-in-women

Hume Health body composition (Things We Love, code NURSEDOZA): https://schoolofdoza.com/recommendations

Liver Boost by MSW Nutrition: https://liverboost.mswnutrition.com

Gut by MSW Nutrition — L-Glutamine: https://mswnutrition.com/products/gut

🔗 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

In this Wellness Tech Series episode, Nurse Doza breaks down the Hume Band and why daily health data changes how he makes decisions. He walks through the metrics he checks every morning — sleep depth and wake-ups, heart rate variability as a window into stress and recovery, pulse oximetry day and night, body temperature, and steps — then explains how the Hume Pod adds body fat, skeletal muscle mass, and visceral fat. Labs are a snapshot; this is the daily trend line underneath them.

 

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## Featured Partner: Hume Health

 

**Hume Health** makes at-home health tracking gadgets — the Hume Band (wrist wearable) and the Hume Pod (smart body composition scale) — paired with a free app and a 10-year warranty.

 

- **Storefront:** https://humehealth.com

- **Discount code:** `NURSEDOZA`

- **Offer:** 20% off

*Note: a wearable is a trend-tracking tool, not a diagnostic device. Metrics like overnight oxygen saturation are worth discussing with a licensed provider if the pattern looks unusual — they do not replace a sleep study or clinical evaluation.*

 

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## School of Doza

 

Want help turning your own health data into decisions? **School of Doza** is a health-education community with live group consults every **Wednesday at 1 PM Central**, plus courses and protocols you can actually follow.

 

**Start your free trial:** https://www.schoolofdoza.com

 

---

 

## 5 Key Takeaways

 

1. **Labs are a snapshot; wearables are the trend line.** A panel drawn twice a year can't tell you what last night did to your recovery. Daily metrics fill in the space between blood draws.

2. **Sleep isn't one number.** Total hours matter, but so do depth, light sleep, and how many times you were awake. Seeing the breakdown each morning is what makes the adjustment obvious.

3. **HRV reads both sides of the day.** Overnight HRV reflects recovery; daytime HRV reflects the stress load you're carrying right now. Watching both separately is more useful than either alone.

4. **Pulse ox is the quietly important one.** Continuous oxygen saturation — especially overnight — is a pattern worth bringing to your provider if you snore or wake up unrefreshed. Screening data is a conversation starter, not a diagnosis.

5. **The Pod covers what the band can't.** Body fat percentage, skeletal muscle mass, and visceral fat round out the metabolic picture. Visceral fat in particular is the depot most consistently associated with insulin resistance and fatty liver in the research.

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## Peer-Reviewed References

 

1. *Impact of objectively-measured sleep duration on cardiometabolic health: A systematic review of recent evidence.* PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC9806213/

2. *Stress and Heart Rate Variability: A Meta-Analysis and Review of the Literature.* PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC5900369/ (PubMed: https://pubmed.ncbi.nlm.nih.gov/29486547/)

3. *Overnight pulse oximetry for obstructive sleep apnea.* PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC6259496/

4. *Using wearable skin temperature data to advance tracking and characterization of the menstrual cycle in a real-world setting.* PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC11294004/

5. *The role of adipose tissue dysfunction in hepatic insulin resistance and T2D.* PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC11378142/ (PubMed: https://pubmed.ncbi.nlm.nih.gov/38967989/)

*Citations were located via PubMed/PMC search and are listed by title and PMC ID. PMC blocks automated page fetches, so individual author lines were not machine-verified and are deliberately omitted rather than guessed.*

 

---

 

## Connect with Nurse Doza

 

- Website: https://www.schoolofdoza.com

- Supplements: https://mswnutrition.com

- Recommendations & partner codes: https://www.schoolofdoza.com/recommendations

- YouTube / Instagram / TikTok / X / LinkedIn: @nursedoza

Most people handed an MTHFR result never get it explained. This episode connects MTHFR and liver function — why so much of that gene's work happens in the liver, what methylation actually means in plain language, and how the pathway ties into glutathione, detoxification, and mood. Nurse Doza also covers why methylfolate alone is rarely the whole picture, and what's worth discussing with your own provider. Education, not a protocol.

Featured Product
The MTHFR Stack — Bliss + Boost + Liver Boost

Three formulas built around the same pathway this episode is about. Bliss is a sublingual shot with SAMe and TMG (trimethylglycine) — it supports biochemical reactions that require methyl groups and supports neurotransmitter synthesis and healthy mood. Boost is a morning stick pack built on methylcobalamin — B12 already in its methylated, active form — alongside methylated B vitamins, electrolytes, and antioxidant nutrients (heads up: it contains caffeine, roughly 95 mg). Liver Boost is the capsule piece, formulated to support phase I and phase II liver detoxification.

The rhythm is simple: Boost in the morning, Bliss whenever it fits your day, Liver Boost with a meal.

👉 Get The MTHFR Stack here: https://mswnutrition.com/products/mthfr-stack

If you take medication, run any new supplement by your provider first.

Join the School of Doza
If you walked out of an appointment holding a genetic result and no explanation, that's exactly the gap the School of Doza was built to close.

Every Wednesday at 1pm Central we run a live Ask Me Anything — a group consult where you bring your labs, your questions, and whatever's actually going on with you, and Nurse Doza answers directly. It's live only, so you're getting a real conversation, not a recording.

We're in the middle of The Liver Course right now — live class plus Q&A every Tuesday at 5:30pm Central. October 6 is the MTHFR and the Liver class, which goes deeper than this episode with diagrams, handouts, and live questions. October 13 closes the series with Building Your Liver Protocol.

Your first 7 days are free, so you can sit in on a class and an AMA before you decide anything.

👉 Start your free trial: https://community.schoolofdoza.com/c/start-here

5 Key Takeaways

MTHFR isn't abstract — a lot of its work happens in your liver. The gene is expressed throughout the body, but the liver is where a large share of methylation activity plays out, which is why a variant shows up as a liver-support question and not just a vitamin question.

Methylation is a cycle, not a single step. Folate gets converted to its active form, that feeds the methionine–SAMe cycle, homocysteine gets cleared down the transsulfuration pathway into cysteine, and cysteine is the rate-limiting input for glutathione. Slow the cycle down anywhere and everything downstream feels it.

Glutathione is the connection point. It's one of the most abundant antioxidants the body makes, it's produced largely in the liver, and it's central to phase II detoxification — which is the same phase where methylation lives.

Folate status and mood are genuinely linked. Folate deficiency is documented as a risk factor for major depressive disorder and for poorer response to antidepressants, and L-methylfolate has research behind it as a supportive option. Variants in MTHFR can reduce how well someone converts dietary folate and folic acid to the active form.

Methylfolate alone often isn't the whole picture. The research on SAMe and betaine (TMG) points to the rest of the cycle mattering too — betaine supplementation lowers serum homocysteine, and SAMe plus betaine has been studied as an add-on with more effect than SAMe alone.

Timestamps
00:00 START – Welcome and episode overview

02:08 – Who this episode is for, plus the Liver Course dates

04:27 – Why he started ordering MTHFR on everyone, including himself

06:27 – The gene is everywhere in the body, but concentrated in the liver

08:51 – How common variants are, and what epigenetics actually means

11:16 – Folic acid vs folate, and everything else the gene does

13:34 – The homocysteine and glutathione pathway

16:20 – The mood connection: folate, serotonin, and the gut

18:46 – What a clinic rotation taught him about prescribing B9

21:06 – Where serotonin is made, and where folate is stored

23:24 – Third: the pathway needs daily vitamins and supplements

25:50 – SAMe, methionine, and betaine (TMG)

29:11 – Fourth: what changes, and how to measure it

31:32 – Phase I and phase II detox, and the full methylation stack

33:49 – What to check, and closing

Resources

DNA Methylation in Liver Disease (Int J Mol Sci) — https://pmc.ncbi.nlm.nih.gov/articles/PMC7662478/

MTHFR Polymorphisms, Homocysteine and Disease Risk (Genes) — https://pmc.ncbi.nlm.nih.gov/articles/PMC12027316/

Glutathione Overview (ScienceDirect Topics) — https://www.sciencedirect.com/topics/medicine-and-dentistry/glutathione

Glutathione Conjugation and Detoxification (PMC) — https://pmc.ncbi.nlm.nih.gov/articles/PMC2696075/

L-Methylfolate and Depressive Symptoms (Neurology) — https://www.neurology.org/doi/10.1212/WNL.92.15_supplement.P3.9-057

Folate, MTHFR and Depression (PMC) — https://pmc.ncbi.nlm.nih.gov/articles/PMC4750636/

SAMe Plus Betaine as Add-On Therapy (PMC) — https://pmc.ncbi.nlm.nih.gov/articles/PMC4303396/

Betaine Supplementation and Serum Homocysteine (Nutrition Research) — https://www.sciencedirect.com/science/article/abs/pii/S0271531724000691

Betaine, B12, Choline, Glutathione and Diabetes Parameters (PubMed) — https://pubmed.ncbi.nlm.nih.gov/39442756/

Connect
🔗 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

In this Wellness Tech Series episode, Nurse Doza breaks down SONA — an AI-powered earpiece that delivers gentle vagus nerve stimulation at the cymba concha, the one spot in the outer ear where a branch of the vagus nerve reaches the surface. He explains how the paired app reads heart rate variability in real time, why HRV is a window into stress and recovery, and how short guided breath and audio sessions are designed to fit a schedule with no room for a long meditation.

FEATURED PARTNER
SONA is an AI-powered wearable vagus nerve stimulator. It sits on the ear and delivers low-level, non-invasive electrical stimulation at the cymba concha — the auricular branch of the vagus nerve — while the companion app tracks heart rate variability so users can watch their own trend across a session. Guided breath work and audio pairings are built in, the app has no monthly subscription, and the device ships with a 30-day money-back guarantee and a 1-year warranty. It's the tool Nurse Doza reaches for when the problem isn't knowing how to relax — it's having ten minutes and a way to tell whether anything actually happened.

👉 Get SONA (15% off with code NURSEDOZA): https://sona.pxf.io/k41Dxx

SONA is a consumer wellness device, not a medical device, and nothing here is medical advice. If you are pregnant, have a pacemaker or other implanted electrical device, a heart-rhythm condition, or a history of seizures, talk with your provider before using any form of nerve stimulation. This page contains affiliate links.

JOIN THE SCHOOL
Nervous system work is a lot easier when you're not guessing on your own. Inside the School of Doza, members compare notes on the tools that actually earn a place in a daily routine — sleep, stress, recovery, labs — and every Wednesday at 1 PM Central there's a live group consult where you can bring your specific questions.

👉 Start your free trial: https://community.schoolofdoza.com/c/start-here

5 KEY TAKEAWAYS

Chronic stress is a physiology problem, not a willpower problem. The stress response was built for short bursts. When it never gets a chance to downshift, telling yourself to calm down doesn't move the system — the input has to reach the nervous system itself.

The vagus nerve is reachable through the ear. A branch of the vagus nerve surfaces at the cymba concha in the outer ear, which is why transcutaneous auricular vagus nerve stimulation is delivered there. It's the anatomical reason an earpiece can engage this pathway without anything invasive.

HRV is a trend to watch, not a verdict. Heart rate variability reflects how flexibly the body shifts between stress and recovery. A single reading says very little; the useful signal is the pattern over days and weeks, which is what makes in-app feedback worth having.

Feedback is what makes a practice stick. Breath work, meditation, and yoga all support the same system. Pairing them with a real-time measurement turns "I think that helped" into something a person can actually track — and track-ability is what keeps a routine alive.

Consistency beats session length. Short daily sessions that survive a real calendar compound the way training does. Follow the manufacturer's recommended session guidance rather than self-escalating duration.

RESOURCES
Based on peer-reviewed literature:

Why the ear – Butt MF, et al. "The anatomical basis for transcutaneous auricular vagus nerve stimulation." Journal of Anatomy, 2020;236(4):588–611. https://onlinelibrary.wiley.com/doi/10.1111/joa.13122

taVNS, HRV & mental stress – Drost L, Schulz A, Möck A, Vögele C. "Effects of taVNS on physiological responses and cognitive performance during a mental stressor." Cognitive, Affective, & Behavioral Neuroscience, 2025;25(6):1655–1666. (Sham-controlled RCT, n=41: higher RMSSD during active stimulation; self-report and cognitive performance unchanged.) https://link.springer.com/article/10.3758/s13415-025-01341-w

What HRV actually indexes – Laborde S, Mosley E, Thayer JF. "Heart Rate Variability and Cardiac Vagal Tone in Psychophysiological Research — Recommendations for Experiment Planning, Data Analysis, and Data Reporting." Frontiers in Psychology, 2017;8:213. https://www.frontiersin.org/articles/10.3389/fpsyg.2017.00213/full

Slow breathing & HRV – Laborde S, et al. "Effects of voluntary slow breathing on heart rate and heart rate variability: A systematic review and a meta-analysis." Neuroscience & Biobehavioral Reviews, 2022;138:104711. https://pubmed.ncbi.nlm.nih.gov/35623448/

Non-invasive vagal approaches, reviewed – Gitler A, Bar Yosef Y, Kotzer U, Levine AD. "Harnessing non-invasive vagal neuromodulation: HRV biofeedback and SSP for cardiovascular and autonomic regulation (Review)." Medicine International, 2025;5(4):37. https://www.spandidos-publications.com/10.3892/mi.2025.236

🔗 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