Physician-Led Β· Evidence-Based Β· ApoE4 Focused

Your Starting Point

Start Here

If you’ve just learned you carry the ApoE4 allele β€” or you’ve been living with that knowledge and searching for clarity β€” this is where to begin.

Three Places to Begin
01
🧬
Understand Your Risk
What ApoE4 actually means β€” and what it doesn’t. Risk stratification, mechanisms, and what the evidence shows about your trajectory.
Read β†’
02
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What To Do Now
Actionable, evidence-based next steps for ApoE4 carriers at any stage β€” from newly diagnosed to years into their journey.
Read β†’
03
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Testing & Labs
Which tests matter, which don’t, and how to interpret results in the context of your ApoE4 genotype and clinical picture.
Read β†’
Your Guide

“This is not a diagnosis. But it does change how you should think about your long-term brain health.

The goal of this site is simple: to give you clear, physician-led guidance on what actually matters β€” and what doesn’t. Built by a practicing neurologist and ApoE4 carrier who has navigated this landscape personally and professionally.

What ApoE4 Actually Means

Most people receive this information without sufficient context. Here is what the peer-reviewed evidence actually shows.

What It Is
🧬

ApoE4 is a genetic variant of the apolipoprotein E gene β€” the single most significant genetic risk factor for late-onset Alzheimer’s disease. Approximately 25% of the general population carries at least one copy. The Ξ΅4 isoform impairs amyloid-Ξ² clearance, promotes tau hyperphosphorylation, disrupts synaptic plasticity, and accelerates neuroinflammation β€” making it a central target of current Alzheimer’s research and prevention strategies.

What It Is Not
πŸ›‘οΈ

ApoE4 is not a diagnosis. It is not a guarantee of cognitive decline. Many ApoE4 carriers live to advanced age with fully intact cognition. Risk is probabilistic β€” not deterministic. Understanding this distinction is the foundation of everything else on this site, and the reason that informed, proactive action is both rational and meaningful.

Where Most Go Wrong
⚠️

The information landscape oscillates between catastrophizing and false reassurance. Neither extreme serves you. Understanding which variables actually move risk β€” cardiovascular health, sleep, metabolic function, cognitive reserve β€” and which represent noise, is the critical gap this platform is built to fill.

What To Do Next

Three priorities every ApoE4 carrier should address β€” in this order.

01

Start With the Fundamentals

Before optimizing protocols or pursuing emerging therapies, establish your baseline. Understand your genotype fully β€” heterozygous (one copy) versus homozygous (two copies) carries meaningfully different risk profiles and warrants different clinical conversations with your physician. Know what you’re working with before you act.

02

Learn What Actually Moves Risk

Cardiovascular optimization, sleep architecture, metabolic health, and cognitive reserve have the most robust evidence bases for risk modification in ApoE4 carriers. These are not generic wellness recommendations β€” the effect sizes in ApoE4-stratified cohort data are clinically meaningful and drive the content priorities on this site.

03

Avoid Common Mistakes

False reassurance from a single normal cognitive screen. Overreliance on supplements without a meaningful evidence base. Avoidance of biomarker testing out of fear. These patterns delay the window of maximal intervention β€” the pre-symptomatic phase where evidence-based strategies have the greatest documented impact on long-term trajectory.

The goal is not to overwhelm you with information β€” but to help you make better decisions with the information that actually matters.

This platform is built and maintained by a practicing neurologist and pain medicine specialist with advanced training in public health β€” and a deeply personal stake in this mission. As a double board-certified neurologist, former US Naval Flight Surgeon, and ApoE4 carrier with a strong family history of dementia, this work bridges the gap between what the peer-reviewed literature shows and what patients and families actually need to hear.

Every piece of content is grounded in peer-reviewed evidence from leading journals including JAMA Neurology, Nature Medicine, Alzheimer’s & Dementia, and Nature Reviews Neurology. Where evidence is preliminary or contested, it is presented as such β€” with the epistemic humility that rigorous science demands.

BP
Brian Paquette, DO, MPH
Double Board Certified Neurologist Β· Pain Medicine Specialist
Former US Naval Flight Surgeon Β· Indianapolis, Indiana

Want a Clear Plan?

Some of the most actionable content on this site β€” including specific labs, protocols, and intervention strategies β€” is available inside APOE4 Insider.

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Specific Lab Protocols
Which tests to order, at what intervals, and how to interpret results in the context of your ApoE4 status and clinical risk profile.
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Intervention Strategies
Evidence-graded lifestyle, pharmacologic, and monitoring strategies ranked by effect size β€” no noise, no false promises.
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Clinical Trial Access
Current trials enrolling ApoE4 carriers, eligibility criteria, and how to connect with research sites near you.
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Physician Guidance Templates
Communication frameworks to help you have productive, informed conversations with your own healthcare team.

Knowledge Is the First Step
Toward Action

Whether you are a carrier who just received your results, a family member watching a loved one decline, or a clinician seeking better tools β€” this platform is built for you. Start with the fundamentals, then go deeper.

This website is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Content is intended to supplement, not replace, the physician-patient relationship. Always consult a qualified healthcare provider regarding any medical condition or treatment decision.

Physician-led, evidence-based guidance for people with one or two copies of the ApoE4 allele. Bridging the gap between genomic science and the patients, families, and clinicians navigating Alzheimer’s risk.

This website is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Content is intended to supplement, not replace, the physician-patient relationship. Always consult a qualified healthcare provider regarding any medical condition or treatment decision.

Β© 2026 ApoE4 Insights