Mar 29 (edited) • Articles & Studies
🧠 The APOE4 Gene Might Not Be the Problem
🧠 The APOE4 Gene Might Not Be the Problem
The Modern Diet Might Be.
Remember what I’ve always taught:
God doesn’t make mistakes.
Each gene variant serves a purpose.
Genes may “load the gun,” as they say…
But epigenetics pulls the trigger.
What that really means is this:
Your genes aren’t inherently good or bad.
Your lifestyle, diet, and daily choices determine how those genes are expressed.
And that means something powerful:
You have the ability to influence your health at any moment.
For decades, people with the APOE4 variant have been told something discouraging:
“You are genetically predisposed to Alzheimer’s.”
APOE4 carriers are estimated to have ~2.5× higher risk of developing dementia.
(In some genetic combinations — such as **COMT variants alongside other SNPs — neurological vulnerability may also extend to conditions like schizophrenia.)
And for years, the message from mainstream medicine was essentially:
“There’s nothing you can do about it.”
I’ve always disagreed with that view.
But it’s what we’ve been teaching doctors and geneticists for decades.
New Research Challenges That Narrative
A new study published in JAMA Network Open looked at how diet interacts with APOE genetics.
Researchers analyzed 2,157 adults and examined dietary patterns alongside APOE genotype.
The findings were remarkable.
Higher Meat Intake Eliminated the Elevated Dementia Risk
Among APOE4 carriers:
• Those with the highest intake of unprocessed meat had a 55% lower dementia risk
• The typical 2.5× increased Alzheimer’s risk disappeared entirely
• Cognitive performance improved +0.32 standard deviations over 10 years
But there was an important distinction.
Unprocessed meat was protective.Processed meat was harmful — regardless of genetics.
The Bigger Insight
This study suggests something fascinating.
APOE4 may not be a “defective gene.”
It may be a gene that evolved in a nutrient-dense, animal-based dietary environment.
For most of human history, the brain was fueled by:
• animal protein
• cholesterol
• fat-soluble nutrients
• stable blood sugar
• intermittent periods of ketosis
(Hint: Sound familiar, Bedrock friends?)
In other words…
A metabolic environment very different from the modern diet.
The Bedrock Perspective
At Bedrock, we often frame Alzheimer’s as a metabolic and mitochondrial disease of the brain.
Many researchers now refer to it as:
“Type 3 Diabetes.”
Long before plaques and tangles appear, the brain often shows signs of:
• glucose hypometabolism
• insulin resistance in neurons
• mitochondrial dysfunction
When the brain loses the ability to efficiently use glucose, it begins to starve for fuel.
But the brain has another energy system.
Ketones.
And diets that emphasize:
• nutrient-dense animal foods
• metabolic stability
• reduced ultra-processed carbohydrates
can dramatically change the terrain in which brain disease develops.
Genes Are Not Destiny
Your genes are not a life sentence.
They are biological instructions interacting with your environment.
Diet.Metabolism.
Inflammation.
Nutrient density.
These factors determine how genetic risks actually play out.
As this research suggests:
The problem may not be APOE4.The problem may be that we stopped eating in a way that supports it.
The Future of Brain Health
We are entering an era of personalized metabolic medicine.
Where we recognize:
• brain disease is not random
• metabolism drives neurological health
• nutrition is a powerful lever for prevention
The terrain matters.
And when we restore the terrain…
we often restore the system.
📚 StudyDietary patterns, APOE genotype, and cognitive decline — JAMA Network Open
The question isn’t just: “What genes do you have?”
The real question is: “What environment are you giving them?”
(TERRAIN)
🧠 Bedrock Nation:Don’t forget to check out the Neuro-Terrain Course under the Classroom tab.
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🧠 The APOE4 Gene Might Not Be the Problem
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