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Functional Medicine for Brain Fog & Chronic Fatigue in Dallas, Texas

Your Labs Came Back Normal. But That's Not How You Feel.

You've been told to get more sleep, exercise, or try a pill. And yet here you are. Still exhausted, still foggy, still unable to focus like you used to. That's not in your head. It just means the right test hasn't been run yet.

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Brain Fog Chronic Fatigue
Woman at her kitchen table in the early morning, holding a mug and staring out the window, looking worn out

You Did Everything They Told You To.

You told your doctor something was wrong. They ran the standard tests. Everything came back fine. So you were told to get more sleep, exercise more, manage your stress, maybe take something to take the edge off.

You did all of it... and here you are.

You wake up tired after eight hours. You lose words mid-sentence. You reread the same paragraph three times. You push through every day because work and family still expect the version of you that used to have energy. And because you don't look sick, the people around you don't really get it.

For many of our patients, it started after COVID or another virus and never fully went away.

It's not in your head. And it's not just you.

Man sitting alone in a clinic waiting room, reading through a folder of paperwork

Why Brain Fog and Chronic Fatigue Get Missed.

Your doctor isn't wrong because they don't care. They're wrong because of how they were trained.

Patients tell us the same story over and over. They were told they were stressed. Told to sleep more. Handed a prescription. And when nothing showed up on a test, some were sent to a psychiatrist, who didn't have the answer either, because this isn't a mental health problem. It's not what they're trained to treat, or even taught to look for.

Standard bloodwork is built to catch disease, not depletion.

So patients get bounced from one professional to the next, and nobody ever finds the cause.

That's exactly where a functional medicine doctor comes in. This is what we specialize in.

Car dashboard at night with the glowing check engine light covered by a strip of tape

Functional Medicine is a Root-Cause Approach To Health.

Instead of treating each symptom on its own, it looks for what's actually causing it, whether that's one thing or several.

Imagine your car's check engine light comes on, and instead of finding out what's wrong, someone puts a piece of tape over the light. That's what most symptom-based care does. More sleep, less stress, a pill to take the edge off. It isn't even a decent Band-Aid.

Brain fog and fatigue can come from hormone imbalance, nutrient deficiency, poor sleep quality, nervous system stress, lingering effects of a virus, or a combination.

Two people with the same symptoms can have completely different causes, and they need completely different solutions.

Treatment Built Around Your Results

Once we know the cause, we build your plan around it. That may include:

  • Hormone Balancing

    Correcting the imbalances that quietly drain your energy, disrupt your sleep, and cloud your thinking.

  • IV Therapy

    Vitamins, minerals, and amino acids delivered straight to your bloodstream, bypassing a stressed gut.

  • Peptide Therapy

    Targeted peptides that support your body's natural recovery and repair.

  • Structural Integration

    Realigning the body to take pressure off the nervous system so it can regulate properly.

  • Massage Therapy

    Releasing soft tissue tension that keeps the body locked in stress mode.

Every treatment is chosen because your test results point to it, not because it's on a menu.

Functional Medicine Testing: We Test First, Then We Know

The truth isn't in how you describe your symptoms. It's in your data.

  • Advanced Lab Work

    We draw blood and run the labs most doctors never order, looking for depletion, not just disease.

  • Brain Function Scanning

    A direct look at how your brain is actually performing, not just how it feels.

  • Nervous System Assessment

    Measures how your body is handling stress and whether it's stuck in survival mode.

  • Respiratory System Testing

    Checks how well your body takes in and uses oxygen, the fuel behind every cell.

Most of this testing is covered by insurance.

Dr. Luke Arnett, Zen Functional Medicine, Dallas

Dr. Luke Arnett, DC, LAc, FAAIM, DCBCN

For 28 years, Dr. Luke Arnett has helped patients in the Dallas area and around the world get to the root of what's holding their bodies back. A doctor of chiropractic and licensed acupuncturist trained in applied kinesiology, he holds two diplomate certifications and a fellowship in clinical nutrition. He has used cold laser therapy for nearly three decades to help the body heal, and has completed hundreds of hours of continuing education, far beyond what his license requires, to stay current on the newest advances in functional medicine.

Aimee Hinshaw, FNP, Zen Functional Medicine, Dallas

Aimee Hinshaw, FNP

Aimee is a dedicated nurse practitioner who provides comprehensive functional medicine services and specialized IV nutrient therapy. Focused on evidence-based, integrative care, she designs and oversees tailored wellness plans that address each patient's needs from the inside out. Her goal is proactive, transformative care that restores balance and supports overall well-being.

Brain Fog or Chronic Fatigue: Which One Sounds Like You?

Man at his laptop late at night, hand to his forehead, struggling to focus

Brain Fog Treatment

Can't focus. Can't find the words. Can't think clearly anymore. Walking into rooms and forgetting why.

Learn More About Brain Fog
Exhausted woman in business clothes sitting on the edge of her bed

Chronic Fatigue Treatment

Tired no matter how much you sleep. Running on empty every single day. Rationing your energy just to get through.

Learn More About Chronic Fatigue

Frequently Asked Questions

What does a functional medicine doctor do?

A functional medicine doctor looks for the root cause of symptoms rather than treating each one separately. That starts with in-depth testing, then a treatment plan built around what the results show.

Can functional medicine help with brain fog?

Yes. Brain fog often traces back to causes like hormone imbalance, nutrient deficiency, poor sleep, or post-viral effects. Testing identifies which ones apply to you so treatment targets the actual cause.

Why do I still feel exhausted when my labs are normal?

Standard bloodwork is designed to detect disease, not depletion. You can have normal results and still be low on the nutrients, hormones, or cellular energy your body needs to function well.

Do you treat long COVID or post-viral fatigue?

Yes. Many of our patients developed brain fog and fatigue after COVID or another viral illness. We test to find what the virus left behind and build a plan to help your body recover.

Is functional medicine testing covered by insurance?

Most of our testing is covered by insurance. Call our office and we'll help you understand your coverage before your appointment.

Is IV therapy the same as functional medicine?

No. IV nutrient therapy is one treatment we may use, but only when your results show it will help. Functional medicine starts with testing and uses whatever treatment addresses the real cause.

Smiling woman on a sunny morning walk with the Dallas skyline behind her

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