Noticing Cognitive Decline? There is Hope
Forgetting names. Searching for words. Watching a loved one slip. You are not powerless — and you are not alone. Physician-led precision medicine can address what’s actually driving cognitive change.
- EVANTHEA Trial Site: One of 6 U.S. clinics selected for the landmark precision medicine trial in early dementia and MCI
- ReCODE 2.0 / Bredesen Certified: One of few clinics trained in the most rigorous root-cause approach to cognitive decline
- Physician-Led, Personalized Plans: Your plan is built around what your testing shows, and adjusts as you progress.
- End-to-End Care: Cognitive testing, MRI volumetrics, QEEG, genomics, and biomarker review all in house. Your care plan is devised, coordinated, executed, evaluated, adjusted, and celebrated by our team.
“ Rezilir Health is a beacon of hope and healing. The team is compassionate and committed to their patients’ well-being. I am profoundly grateful for their care and cannot recommend them highly enough. “










Begin With Clarity
Why Precision Medicine for Cognitive Change?
- Investigative: We look across genetics, inflammation, sleep, metabolism, toxins, hormones, and brain structure/function.
- Whole-Body: Your brain reflects your body; we look beyond the brain itself to the body systems that shape brain health.
- Lifestyle-Oriented: Food, movement, sleep, stress, and brain training are foundational—not afterthoughts.
- Patient-Centered: Your goals steer the plan; we adjust together.
- Science-Aligned: We follow data and use validated tools and multidomain strategies.
- Results-Measured: Baselines, checkpoints, and retesting guide each next step.
The Stories That Keep Us Going
The Rezilir Way For Cognitive Decline
Our Precision Medicine Process
The Rezilir Way is simple: we listen first, then measure what matters. With all key diagnostics and therapies coordinated under one roof, we map the root causes behind your symptoms and turn them into a personalized plan you can actually follow. Here’s what the first 60 days typically look like…
Deep Diagnostic Discovery
Your clinician reviews your history and orders a focused set of prioritized tests to uncover the drivers behind your symptoms and risks. Common tools include genetic risk screening, cognitive testing, MRI volumetrics, QEEG brain mapping, metabolic and inflammatory markers, sleep screening, toxin exposure assessment, and hormone/nutrient panels.2.
Your Personalized Plan
With your results in hand, we build a multilayered plan across nutrition, sleep, movement, stress, and targeted supplements—adding advanced therapeutics where appropriate (for example, hyperbaric oxygen therapy, photobiomodulation, or hormone optimization). Medications may be included when indicated.3.
Ongoing Partnership
We’ll track progress with scheduled check-ins, repeat cognitive testing where appropriate, and select retesting of key biomarkers. Plans evolve with your data—and your life.
Lead Clinician
Craig P. Tanio, MD, FACP, IFMCP
Rezilir co-founder and board-certified internist leading precision and functional medicine for complex conditions such as cognitive decline, ME/CFS, Long COVID, and environmental illness. Trained at UCSF and Penn and IFM-certified, he is an active researcher and faculty at Johns Hopkins and NSU who delivers evidence-informed, patient-centered care.
Clinical Nurse Practitioner
Tresa Hagell, FNP, MSN, BScN
Rezilir’s Clinical Director for Infusion Therapies and a nurse practitioner skilled in complex primary care and ketamine infusion for chronic pain and mental health. She focuses on restoring function and quality of life through an integrative approach to brain health and longevity.
Dietitian & Health Coach
Jannell Baez, MS, RDN, LD/N
Rezilir’s bilingual (Spanish/English) registered dietitian and Certified ReCODE 2.0 Coach with 20+ years across ICU nutrition, endocrinology, and clinical research. She practices functional, integrative nutrition that uses food as medicine to support healing and long-term wellbeing.
Nurse Practitioner
Denise Nonelle, APRN, FNP-BC
A board-certified nurse practitioner with experience from ICU and transplant units to ambulatory cardiology and integrative primary care. Denise blends conventional and functional medicine to help patients make clear, practical health decisions with compassionate follow-through.
Precision Medicine, Made Personal
Your testing, imaging, and therapies are handled by one team who knows your story.
We listen first, then measure what matters. Your testing and therapies are coordinated under one roof, so you get faster answers, fewer handoffs, and a plan that truly fits real life today and over time.
Onsite & coordinated capabilities:
- Cognitive testing (MoCA/CNS Vital Signs)
- QEEG brain mapping + neurofeedback
- MRI volumetrics (NeuroQuant-style) coordination
- Epigenetic/biological age + targeted genetic risk (e.g., ApoE)
- Metabolic, inflammatory, hormone/thyroid labs; sleep screening; wearable integration
- Advanced therapeutics as appropriate: HBOT, photobiomodulation, IV nutrients, peptide/hormone optimization, EBOO/ozone therapy
A complete care team under one roof:
- Physician & Clinical Nurse Practitioner
- Registered Dietitian + Certified Health Coach
- Neurofeedback/QEEG Technologist
- Clinical Research Coordinator
- Hyperbaric Technologist
- Lab/Phlebotomy
- Care Coordinators
What this means for you:
- Fewer handoffs: No pinballing between offices.
- Transparency: Pricing and options discussed before you decide.
- Adaptive care: Adjustments as your data and goals evolve.
Hope is Happening
We blend the latest scientific advancements with tailored care to enhance your neurological well-being. Our unique methodology considers your individual biology, environment, and lifestyle, ensuring a comprehensive approach to health. Experience a new standard in personalized medicine that prioritizes your brain health and longevity.
Why People Choose Rezilir
Advanced precision testing
Whole-genome panels, 200+ biomarkers, brain MRI, and QEEG—all run and decoded under one roof.
Root-cause care
We treat with IVs and hyperbarics, yes — but also with food, sleep, movement, clean air, and stress tools.
Coach in your corner
A dedicated nurse turns your treatment plan into bite-size daily wins and keeps you accountable.
Results you can trust
Our outcomes are published in peer-reviewed journals and cited in The End of Alzheimer’s — so you’re stepping onto proven ground.
Contact Us
Using an investigative approach we will work with you to get to the root cause of your chronic illness. We are an outcome-driven practice and believe that having a therapeutic relationship with our patients is critical. We focus on precision medicine, brain health, cognitive testing, and longevity medicine.
Rezilir Health treats patients from all over the world and is easily accessible from all major airports. Many offer direct flights into Ft. Lauderdale/ Hollywood (FLL), Miami (MIA), West Palm Beach (PBI), and the clinic is a relatively short drive from Boca Raton, Sarasota, Coral Springs and Jupiter.