Lindgren Functional Medicine

Lindgren Functional Medicine Treating the root cause of health conditions helping our patients enjoy good health! My journey to this place was anything but linear.

It took years of working in the conventional medical system before it became clear to me that what I was practicing as a physician wasn't a solution for wellness, it was a practice of fixing numbers with pharmaceuticals. This problem needed this drug. That problem needed that drug. No physician will tell you that they dedicated their entire professional career to become a drug dealer, but that is what I felt I had become. For the vast majority of patients, bandaging the same illness with the same medication doesn't fix the problem. What patients need today - what we as people need today - is a guide to wellness. I will tell you that wellness isn't about having perfect numbers or taking all the right pharmaceuticals. Wellness is a way of life - a way of life that focuses on nutrition, hormone optimization, stress reduction, immune system support, detoxification, and neurotransmitter balance. I am confident in telling you that wellness is absolutely attainable. Together, I would love to guide you along the path that will take you from where you are now, to the place where you can be the best you can possibly be. Fellowship trained in functional medicine and certified by both the American Academy of Anti-Aging, Restorative, and Functional Medicine and the American Board of Family Medicine, I offer a holistic approach to my patients by focusing on optimization of each organ system. I specialize in treating female and male hormone imbalances, thyroid disorders, adrenal dysfunction, fatigue and pain syndromes, autoimmunity, and weight loss. I believe we can prevent and reverse many of the leading causes of chronic disease if we treat patients as one integrated system with scientifically-proven dietary changes, natural supplementation, and restoration of healthy hormone balance. Functional medicine is individualized health care. If our goal is wellness, the one size fits all paradigm simply does not work. Patients deserve customization of their heath care. This is my focus and my passion.

03/17/2026

How Often Does Medicine Get It Wrong First?

History is full of illnesses that were dismissed…
before they were finally understood.

Radiation exposure.
Agent Orange.
Gulf War Syndrome.

Which raises an uncomfortable question.

When doctors can’t explain symptoms today…
are we always right to assume nothing is there?

03/16/2026
03/16/2026

Can Microwaves Create Sound Inside Your Head?

There’s a phenomenon called the microwave auditory effect - where certain microwave frequencies can create the sensation of sound directly inside the human brain.

No speakers.
No external noise.
Just energy interacting with brain tissue.

Some of the diplomats affected in Havana described hearing buzzing, chirping, and high-pitched tones.

Which is why investigators briefly considered something unusual.

Directed energy.










❄️ Snow Day Update ❄️Due to the snowy weather, Lindgren Functional Medicine will be closed on Monday, March 16th so our ...
03/15/2026

❄️ Snow Day Update ❄️
Due to the snowy weather, Lindgren Functional Medicine will be closed on Monday, March 16th so our staff and patients can stay safe and off the roads.
We will resume normal office hours on Tuesday, March 17th.
Thank you for your understanding and for being such a wonderful community. Stay safe, stay warm, and enjoy the snow if you can! ❄️

03/15/2026

Havana Syndrome: Stress… or Something Else?

In 2016, U.S. diplomats stationed in Havana started reporting strange neurological symptoms.

Headaches. Vertigo. Memory problems. Ringing in the ears.

Some investigators suggested stress.
Others blamed environmental factors.

But another theory kept surfacing.

Directed energy.

It sounds like science fiction - until you realize the technology has existed for decades.

So what really happened in Havana?










Your libido isn’t just about s*x. It’s a front-row seat to your health.Low energy? Brain fog? Mood swings? Trouble sleep...
03/13/2026

Your libido isn’t just about s*x. It’s a front-row seat to your health.

Low energy? Brain fog? Mood swings? Trouble sleeping? If your desire is flat, your body is sending a warning: something’s off in your hormones, metabolism, or circulation.

A strong libido doesn’t come from willpower or “trying harder.” It comes from balance, vitality, and cells that actually work.

03/12/2026

"The Pandemic Brain"

Something changed after 2020.

Not just in the world. In people.

Over the past few years I have had patient after patient sit across from me and say the same thing:
“I’m not the same.”

Brain fog. Word-finding problems. Memory slips. Exhaustion that sleep does not fix.

In Episode 49 of The Dysfunction Files, we dig into the growing question medicine is only beginning to admit:

What if COVID was never just a respiratory illness?
What if the brain was part of the story all along?

We talk about neuroinflammation, mitochondrial dysfunction, persistent symptoms, ME/CFS, long COVID, stress physiology, and why so many people still feel like their brains never fully came back online.

This one is eerie, timely, and very real.

Full episode is LIVE now: We’re Not the Same: The Pandemic Brain












03/11/2026

"Brain Fog Is Not Burnout"

Burnout makes you tired.

Burnout does not erase your ability to finish a sentence.

Yet thousands of people with brain fog are still being told they’re just “stressed.”

Those are very different problems.

Full episode: "The Pandemic Brain" - Episode 49 of The Dysfunction Files









03/10/2026

Without meaning to, humanity may have run the biggest neurological stress experiment ever. Constant news cycles, fear, uncertainty, and information overload changed how millions of people think, feel, and respond to the world.

And now we’re wondering why people feel different.

Something shifted. 🧠

“Why am I STILL sick?”And just as important what’s been missed?Too often, symptoms are filtered through algorithms, aver...
03/09/2026

“Why am I STILL sick?”
And just as important what’s been missed?

Too often, symptoms are filtered through algorithms, averages, and prescriptions before anyone truly listens.

Your body is not broken.
It’s communicating.

Instead of silencing signals or chasing the next medication, real healing starts by asking why and paying attention to what your body has been trying to say all along.

At Lindgren Health, Dr. Kristen Lindgren focuses on root causes, not quick fixes.
Because your body carries more truth than any protocol designed by Big Pharma.

03/09/2026

Perfect Labs… But Your Brain Isn’t Fine?

One of the most common things I hear from patients with brain fog:

“All my labs are normal.”

Apparently that means everything is fine.

Except for the part where their brain stopped working.

Full episode: "The Pandemic Brain" - Episode 49 of The Dysfunction Files









Address

3237 Voyager Drive
Green Bay, WI
54311

Opening Hours

Monday 8:30am - 4:30pm
Tuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 2pm

Telephone

+19207371625

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Our Story

My journey to this place was anything but linear. It took years of working in the conventional medical system before it became clear to me that what I was practicing as a physician wasn't a solution for wellness, it was a practice of fixing numbers with pharmaceuticals. This problem needed this drug. That problem needed that drug. No physician will tell you that they dedicated their entire professional career to become a drug dealer, but that is what I felt I had become. For the vast majority of patients, bandaging the same illness with the same medication doesn't fix the problem. What patients need today - what we as people need today - is a guide to wellness. I will tell you that wellness isn't about having perfect numbers or taking all the right pharmaceuticals. Wellness is a way of life - a way of life that focuses on nutrition, hormone optimization, stress reduction, immune system support, detoxification, and neurotransmitter balance. I am confident in telling you that wellness is absolutely attainable. Together, I would love to guide you along the path that will take you from where you are now, to the place where you can be the best you can possibly be. Fellowship trained in functional medicine and certified by both the American Academy of Anti-Aging, Restorative, and Functional Medicine and the American Board of Family Medicine, I offer a holistic approach to my patients by focusing on optimization of each organ system. I specialize in treating female and male hormone imbalances, thyroid disorders, adrenal dysfunction, fatigue and pain syndromes, autoimmunity, osteoarthritis, neurologic disease, sleep disorders, GI dysfunction, and weight loss. I utilize the most progressive options in medicine including bioidentical hormones, peptides, and stem cell therapies. I believe we can prevent and reverse many of the leading causes of chronic disease if we treat patients as one integrated system with scientifically-proven dietary changes, natural supplementation, and restoration of healthy hormone balance. Functional medicine is individualized health care. If our goal is wellness, the one size fits all paradigm simply does not work. Patients deserve customization of their heath care. This is my focus and my passion.