The Keiser Clinic

The Keiser Clinic Board certified chiropractic neurologist and owner of The Keiser Clinic. Specializing in POTS, dysautonomia, concussion and neurological disorders.

Assistant professor of clinical neurology for the Carrick Institute of Graduate Studies.

12/28/2025

Sleeping with POTS isn’t really sleeping.�

It’s waking up over and over, feeling wired, exhausted, and stuck in a flare you could feel coming a day before it hit.

That crushing fatigue.

The rash.

The sense that your nervous system never actually powers down.

What so many people don’t realize is that sleep isn’t just being “passed out.”

It’s an active brain process.

Your brain is building new synapses, restoring chemistry, and resetting systems for the next day. So when the brain is struggling to coordinate properly during the day, those same disruptions show up at night.

That’s why poor sleep in dysautonomia isn’t random — it’s part of the same neurological picture.

Here’s the hopeful part: when you start improving how the brain functions, you don’t just feel better during the day.

You recover better at night too. That’s where real leverage happens — better days and better sleep.

If this sounds like you, you’re not alone.

And there are ways to work upstream on this.�

👉 Follow along, save this, and share it with someone who needs to feel seen.

12/27/2025

🧠💧 “Did my body pause my lymph to protect my brain?”

Short answer: the wording may be off—but the connection isn’t wrong.

I can’t speak for exactly what the practitioner meant, but here’s the physiology behind it.

When someone is dealing with cerebral hypoperfusion—not getting enough blood and oxygen to the brain—it’s very common to see parallel changes elsewhere in the system, including lymphatic flow.

The body doesn’t literally “pause” the lymphatic system, but when the nervous system is under stress—especially after infection, inflammation, or injury—it may struggle to regulate multiple fluid systems at once.

Blood flow regulation and lymphatic drainage are both energy-dependent and neurally controlled. When capacity is limited, inefficiencies show up.

So could someone experience brain blood-flow issues and lymphatic congestion at the same time?

Absolutely.�

Is one always causing the other?

Not necessarily.�

But the correlation makes a lot of sense clinically.

The key is identifying which regulatory systems are struggling—and why—so you’re not chasing symptoms in isolation.

👉 If this question resonates with you, check out our longer-form content or reach out to learn how we assess blood-flow regulation, autonomic function, and whole-system recovery.

12/25/2025

👗🧠 Can you believe it’s been 10 years already?
In 2015, this dress absolutely broke the internet.

Some people saw white and gold.

Others were convinced it was blue and black.

And a decade later? The illusion still works.

Even now, some people cannot see blue and black—no matter how hard they try.

And that’s what makes this so fascinating.

This isn’t about your eyes being “right” or “wrong.”

It’s about how your brain interprets sensory information, lighting, contrast, and prior assumptions.

Perception is an active neurological process.
Your brain is constantly making predictions—and sometimes, it locks them in.

👀 So what do you see?
• White & gold?
• Blue & black?
• Or can you make it flip and see both?

👇 Drop your answer in the comments—and tell us if you’ve ever been able to switch it.

As we celebrate this holiday season, I want to take a moment to speak directly to you—especially to those of you navigat...
12/25/2025

As we celebrate this holiday season, I want to take a moment to speak directly to you—especially to those of you navigating chronic illness, uncertainty, or long, exhausting seasons of healing.

The holidays can be beautiful, but they can also be heavy.

They have a way of highlighting what’s hard: limits you didn’t ask for, plans you had to cancel, progress that feels slower than you hoped.

If that’s you, I want you to know this—there is nothing wrong with you for feeling that way.

Healing is not linear.

It’s not festive, and it doesn’t follow a calendar.

And yet, even when things feel stalled or fragile, real change is still happening beneath the surface.

Your nervous system is learning.

Your brain is adapting.

Your body is doing the best it can with the inputs it’s been given.

If this season requires more rest than celebration, that’s okay.

If joy looks quieter this year, that’s okay too.

Showing up for yourself—however that looks right now—is enough.

I’m deeply grateful for the trust you place in us and for the resilience you demonstrate every day, often in ways no one else can see.

Thank you for being part of this community, and for continuing to move forward, even when the steps are small.

May this season bring you moments of peace, a sense of being understood, and hope that carries into the new year.

12/24/2025

🧠 “I can see the words… but my brain isn’t processing them.”

breaks it down well here.

This is one of the most frustrating POTS symptoms patients describe—and she articulates it perfectly.�

Not blurry vision.

Not eye damage.�

It’s processing failure.

What we often see here is cerebral hypoperfusion—not enough blood flow reaching the brain. When that happens, processing capacity drops.

Vision feels “mentally fuzzy,” reading becomes exhausting, and the same thing can even happen with hearing—like someone suddenly put earmuffs on.

This isn’t imagined.�

This is physiology.

We can measure this using tools like transcranial Doppler, where we directly observe reduced cerebral blood flow.

And once you understand the mechanism, you can actually start solving the problem instead of chasing symptoms.

👉 If this resonates with you, reach out and DM to learn how we evaluate and address cerebral hypoperfusion in POTS and dysautonomia.

12/24/2025

Is there a “critical window” for recovery — or is that a myth?

You’ve probably heard about the golden window for stroke recovery — the first 3–6 months, sometimes called the “golden year.”

And yes, early on, change often happens faster because the nervous system is responding to injury from a very low baseline.

But here’s the key point that often gets missed: there is no hard cutoff for neuroplasticity.

Your brain doesn’t suddenly lose the ability to adapt.

It’s the same reason someone can learn a new language at 80 years old — it may not be as fast or effortless as childhood, but it’s absolutely possible.

The same applies to ANS dysfunction and conditions without tissue damage.

Earlier intervention is always helpful, but there is no moment where it suddenly becomes “too late.”

We see meaningful improvement years after injury all the time.

So if you’re reading this thinking you missed your chance — you didn’t.

Your life is still your life, and regaining capacity is always worth pursuing.

👉 If this resonates, explore our other videos and long-form content on YouTube to learn how neuroplasticity actually works — and how to apply it.

12/22/2025

With Long Covid, a lot of these symptoms can feel random, overwhelming, or completely disconnected.

But they’re often mechanistically related.

When you understand how these systems interact—autonomic function, vascular flow, inflammation, neurological signaling—the picture starts to make a lot more sense. What feels like “a bunch of crazy things” is often a few overlapping mechanisms expressing themselves in different ways.

We’ve shared a lot of content breaking this down, especially around Long COVID, dysautonomia, and post-viral syndromes.

Seeing where these pathways overlap can help you start identifying why your symptoms are happening—and where meaningful solutions may exist.

👉 Check out our other videos on YouTube to connect the dots and start building a clearer roadmap forward. Link in the bio.

12/19/2025

LIVE: The "little brain" that may be causing your Dysautonomia with Dr. Nathan Keiser

12/18/2025

Some people wake up, make breakfast, catch up with a friend, get some work done, and grab a coffee.

Others wake up and their heart rate skyrockets, their legs give out, and their body feels like it’s betraying them.

This is a story I hear every single day.

Being laughed at.

Being told it’s stress.

Being told you’re overthinking it.

Being told to lose weight.

And yet—your symptoms are real.

The hard truth is that this is the sucky part of the journey.

But there are clinicians who care, who listen, and who are willing to look at the problem differently.

There are people who’ve been where you are and found a way forward.

If you’re feeling dismissed, unseen, or discouraged—take a look at some of our other videos on YouTube- join our livestreams every Thursday at 8pm EST to learn and get your questions answered.

You might find a perspective that helps you make sense of what’s happening and reminds you that you’re not alone.

You deserve to be believed.

👉 Follow, save, or share this with someone who needs to hear it today.

12/18/2025

Join me LIVE tonight on YouTube at 8pm EST. Link is in the bio.

If you have POTS or any kind of dysautonomia, you’re not going to want to miss this.

Make a cup of hot cocoa ☃️

Bring your questions 🙋🏽‍♀️❔

Hope to see you there!

12/17/2025

This Thursday at 8pm EST on YouTube. Learn about all things POTS, dysautonomia and beyond. Finally get your questions answered!

Drop a 👊🏼 if I’ll see you there!

12/17/2025

I really appreciate the effort and care this creator put into explaining the conventional view of ME-CFS.

He’s passionate, thorough, and did a solid job laying out how this condition is typically framed. 👏

Where things often get confusing, though, is that ME-CFS and POTS are both named around how people feel, not why those symptoms are happening.

When we stay at the level of syndromes and labels, people can get stuck in perpetual pacing without a clear path forward.

When you shift the lens to underlying physiology and mechanisms, you start to see that there are many different roads that lead people into these diagnoses — and that understanding those differences can actually make it easier to help people move out of them.

Big shout-out to him for the explanation.

My take is a bit more contrarian, and it focuses on how we help people recover rather than just cope.

👉 If this perspective resonates, check out our long-form videos on YouTube where we go deeper into mechanisms, not just labels.

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400 N. Main Street Suite A
Chelsea, MI
48118

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+17347075105

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