Dementia Before 65 The Warning Signs No One Is Talking About

Early-onset dementia is rising, and the warning signs show up decades before age 65. In this episode, Nurse Doza breaks down 5 dementia warning signs most people overlook — from poor sleep and gut dysfunction to blood sugar, oral health, and omega-3 deficiency — and what you can do right now to protect your brain.

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This episode connects directly to what we teach inside the School of Doza. Sleep, gut health, blood sugar, and brain function aren't isolated topics — they're a system. And understanding that system is exactly what the School helps you do.
Inside the community, you'll find others who are actively working on the same things you heard about today — improving sleep, cleaning up their diet, supporting their liver, and taking their brain health seriously before it's too late. Every Wednesday, Nurse Doza hosts a live AMA session that functions like a group consult — where you can ask questions specific to your situation and get real answers.
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5 KEY TAKEAWAYS

Your sleep quality is a direct predictor of dementia risk. Poor sleep prevents the brain from clearing amyloid beta plaques — 

Your gut and liver are connected to your brain. Non-alcoholic fatty liver disease (NAFLD) shares key biological risk factors with dementia, including the APOE gene and adiponectin. Choline deficiency — common in people with fatty liver — is also linked to increased Alzheimer's risk.

Oral infections aren't just a dental problem. Periodontal pathogens like Porphyromonas gingivalis have been found in the brains of Alzheimer's patients. Gum disease, cavities, and poor oral hygiene are legitimate neurological risk factors.

Omega-3 deficiency is a dementia risk factor. DHA — found primarily in fatty fish — is a structural component of the brain. Studies show omega-3 intake can reduce the risk of cognitive decline by approximately 20%. Most Americans are chronically deficient.

High blood sugar is one of the most direct paths to Alzheimer's. Insulin resistance in the brain disrupts synaptic function, promotes amyloid plaque accumulation, and accelerates neurodegeneration. Type 3 diabetes is now another name for Alzheimer's — and it starts with diet.

TIMESTAMPS
00:00 – START – Welcome and episode overview
02:15 – Why dementia doesn't only happen to the elderly
04:30 – The Sleep With Me class inside the School of Doza
06:45 – Warning sign #1: Your sleep is off
12:00 – How the brain cleans itself during sleep and what happens when it doesn't
15:30 – Warning sign #2: Your digestion is off
20:00 – The fatty liver and dementia connection (APOE, adiponectin)
25:00 – Choline deficiency, fatty liver, and brain health
29:30 – Warning sign #3: You've had mouth infections
33:00 – How periodontal bacteria reach the brain
36:00 – Warning sign #4: You don't eat enough fish
40:30 – Why omega-3 DHA is the structural fat of your brain
44:00 – Warning sign #5: Your blood sugar is too high
49:30 – Insulin resistance, AGEs, and Type 3 diabetes explained
56:00 – Closing thoughts and call to action

RESOURCES

Sleep disturbances and cognitive impairment —
https://pmc.ncbi.nlm.nih.gov/articles/PMC11348879/
The gut-brain axis and neurological disease — 
https://pmc.ncbi.nlm.nih.gov/articles/PMC10497313/
Non-alcoholic fatty liver disease and cognitive impairment —
https://pmc.ncbi.nlm.nih.gov/articles/PMC9530447/
Choline intake and dementia risk — 
https://ajcn.nutrition.org/article/S0002-9165(24)00869-4/fulltext
Choline, fatty liver, and liver damage — 
https://pmc.ncbi.nlm.nih.gov/articles/PMC3729018/
Oral dysbiosis and Alzheimer's disease — 
https://alz-journals.onlinelibrary.wiley.com/doi/10.1002/alz.71011
Omega-3 fatty acids and dementia risk reduction — 
https://pmc.ncbi.nlm.nih.gov/articles/PMC10447496/
Insulin resistance and Alzheimer's disease — 
https://pmc.ncbi.nlm.nih.gov/articles/PMC8472298/

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