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Dementia Risk and Brain Aging
Many dementia risk factors are modifiable. We map yours, from blood sugar and blood pressure to hearing, sleep, and toxins, and build a brain-protection plan.
What you may be noticing
Perhaps nothing yet, and you want to keep it that way. You watched a parent lose their memory, and you are asking what you can do now. Or you are noticing small changes: names slipping, slower recall, a sense that multitasking costs more than it used to.
Brain aging is a trajectory, and trajectories can bend.
Why it is rarely one thing
Dementia is the end result of many processes acting over decades. Large international reviews identify a long list of modifiable risk factors, including high blood pressure, diabetes, hearing loss, physical inactivity, smoking, depression, social isolation, air pollution, high LDL cholesterol, untreated vision loss, and head injury. Genetics, including APOE4, raises risk but does not write the ending.
I organize brain preservation around a few drivers. Insulin signaling, because the brain depends on steady glucose transport and responds poorly to insulin resistance. Neuroinflammation, driven by activated microglia. Mitochondrial decline, because the brain is a small organ with an enormous energy demand. And clearance: research suggests the glymphatic system flushes waste proteins such as beta-amyloid and tau most actively during deep sleep. Add the cumulative toxic burden from mold, metals, and air pollution, and you see why one pill rarely changes the picture.
Patterns we look for
- Insulin resistance and glucose variability, measured by fasting insulin and HbA1c.
- Blood pressure, lipids, and small vessel health.
- Homocysteine, B12, folate, and methylation.
- Inflammation and neuroinflammation.
- Sleep quality, sleep apnea, and glymphatic clearance.
- Hearing and vision, which shape how much stimulation the brain receives.
- Thyroid function and sex hormone changes.
- Toxic burden: mold, metals, and air pollution.
- Omega-3 status and vitamin D.
- Processing speed, reaction time, frontal function, and balance, which often shift before memory.
How I evaluate it
A comprehensive functional neurological exam establishes your baseline: eye movements and saccades, balance, gait, processing speed, memory, and frontal function. Repeating it shows trajectory, not a single snapshot.
NeuroQuant volumetric MRI quantifies hippocampal and regional brain volumes, and I use it routinely when cognition or longevity is the focus. Functional labs may include fasting insulin, HbA1c, advanced lipids, homocysteine, B12, folate, vitamin D, an omega-3 index, a thyroid panel, sex hormones, and inflammatory markers. A genetic profile, including APOE, guides prevention. A toxicant panel and a sleep study are added when your history points there.
How we address it
- Map your personal risk profile and rank the levers.
- Anchor rhythm first: morning light, consistent sleep, mineralized hydration on waking, and a structured eating window balanced against adequate protein.
- Open drainage pathways, then reduce toxic exposures, including mold and untreated sleep apnea, before deeper detoxification.
- Restore insulin sensitivity with a brain-focused, phytonutrient-rich food plan built around vegetables, quality protein, and healthy fats.
- Protect vessels through blood pressure and lipid support with your physician.
- Rebalance methylation, nutrient status, and hormones.
- Reduce neuroinflammation and support neurogenesis with daily walking, strength work, and deep sleep.
- Build cognitive reserve with morning and evening brain-training blocks: eye movement, balance, dual-task walking, and memory recall practice, plus new skills, hearing support, and meaningful connection.
Prevention works best as a long practice. We recheck your markers, your exam, and your imaging at intervals, so you can see which levers are moving.
The brain you protect today is the one you will live in later.
Book your Comprehensive Functional Medicine Eval/Neurological Exam today to discover what the contributing root causes are that are underlying your health concerns.