
Longevity & Dementia Prevention Medicine in Pasadena
DISEASE STARTS DECADES BEFORE DIAGNOSIS
Your labs say normal.
Your brain and body may be saying something else.
THE SILENT GAP™
Meet Dr. Alexis Anvekar, founder of LA County's largest woman-owned longevity center and the first physician in the U.S. to measure and score intrinsic capacity, your reserve for living well at 80, with CogSpan™ System, her patent-pending model that reveals what traditional checkups miss.
Take our quiz. A score under 85 is worth a conversation.
Alexis Anvekar MD ABIHM
Inventor, CogSpan™ System
Not a lab printout. A CogSpan™ Roadmap.
This one is real, we just changed her name.
WHAT YOU WALK AWAY WITH
She was 49, fit and healthy. But every afternoon her energy crashed, and when she skipped a meal or forgot to drink, she felt lightheaded. One coordinated day of testing found why: inflammation and blood sugar stability were her two lowest domains, and an early sign of kidney strain needed follow-up. Her Roadmap showed her exactly what to do about it. Her name and identifying details have been changed.
THE SILENT GAP™
The years before a diagnosis are the years that matter most.
Your yearly checkup asks, "Are you sick?" By the time the answer is yes, much of the damage is already done. In The Silent Gap™, nothing looks like disease yet, but your body is already sending signals. We measure them so you can act while there's still time.
Anyone over 35 could be somewhere on this timeline. Where are you?
Age 35–45
WINDOW WIDE OPEN
The signals start
Blood sugar, energy and inflammation start to slip. Nothing hurts. Labs look normal. This is the easiest decade to act in.
Age 45–55
WINDOW STILL OPEN
You start to feel it
The afternoon crash. Slower recovery. The word that won't come. Usually blamed on stress or a busy season.
Age 55–65
WINDOW NARROWING
It shows up on tests
A lab value, a scan or a blood pressure reading finally changes. Prevention turns into management.
Age 65+
WINDOW CLOSING
Diagnosis
In dementia, 30–60% of neurons may already be lost by the time it's diagnosed. Care shifts from protecting to managing.
WHAT THE RESEARCH SAYS
The fine print most people never hear.
10–25 years
HOW LONG IT CAN BUILD
before a diagnosis
In an inherited form of Alzheimer's, brain changes appeared up to 25 years before symptoms. Source: Bateman et al., New England Journal of Medicine, 2012.
30–60%
NEURONS ALREADY LOST
in a key memory region
In very mild Alzheimer's: 32% fewer neurons in the entorhinal cortex, and up to 60% in its layer II. Source: Gómez-Isla et al., Journal of Neuroscience, 1996.
17 years
MY MOTHER'S SILENT GAP
before anyone said dementia
Two domains of health were insulting my mother's brain for at least 17 years before her diagnosis. The pattern was in her own medical records.
She watched her mother disappear.
First the forgotten names. Then the lost words. Then the diagnosis: dementia. A few years later, her mother was gone, and all Dr. Anvekar had left were decades of medical records.
So she read every page of decades of medical records.
Dozens of small findings, each one dismissed as “nothing.” But when she organized them into domains of health, she had a light-bulb moment: organizing the "nothings" revealed a pattern that showed that two main domains of health had been actively insulting her mother’s brain for at least 17 years before anyone said the word dementia. It had been there all along. Her mother had been in The Silent Gap™.
Out of her loss came a breakthrough. Dr. Anvekar invented the patent-pending CogSpan™ System, a mathematical model that turns biomarkers into ten scores of intrinsic capacity: the physical and mental reserve that shapes how well you’ll live at 80. It puts her among the first physicians in a new field of longevity medicine to specifically focus on measuring and preserving intrinsic capacity before disease takes hold.
Her mother’s pattern was found too late. Yours doesn’t have to be.
Three questions we ask that your regular checkup doesn't ask

How is your brain working right now?
Brain Performance & Cognitive Aging
The word on the tip of your tongue. Forgetting a name you've known for years. Walking into a room and forgetting why.
Sleep, Circadian Rhythm & Recovery
Waking at 3 a.m. Eight hours of sleep and still tired. One bad night costs you three days.
Lifestyle, Purpose & Cognitive Reserve
What used to light you up feels flat. Stress hits harder. Your bandwidth feels smaller.

How is your body working right now?
Physical Function, Strength & Mobility
Getting up off the floor takes a push. Stairs feel steeper. Workouts leave you sore for days.
Cardiovascular & Vascular Aging
Winded faster than you used to be. Blood pressure creeping up, still called "normal."
Inflammation & Immune Aging
Morning stiffness. Bloating and puffiness. Catching every cold that goes around.
Hormonal & Neuroendocrine Balance
Hot flashes, nighttime anxiety, weight settling around your middle. Feeling like a stranger in your own body.

How is your metabolism working right now?
Metabolic & Glycemic Stability
The 3 p.m. crash. Sugar cravings. Hangry between meals, while your labs say normal.
Mitochondrial Energy & Oxidative Stress
Bone-deep fatigue. As one patient put it: "My brain powers down at 2 p.m."
Risk Behaviors, Environment & Health Engagement
Headaches or brain fog no one can explain. Sometimes the cause is hiding at home, like mold or hormone-disrupting chemicals.
These symptoms can have many causes. Only testing can show what's behind yours.
And most importantly: how do we preserve them?
Four steps, every year
1. Measure: one day of testing, over 200 data points against optimal ranges.
2. Score: ten Intrinsic Capacity Scores from 0 to 100. Optimal 85–100, Building 70–84, Needs attention below 70.
3. Plan: a personal plan to raise your lowest scores first.
4. Retest every year: all ten strong? Keep going. The moment one slips, we act.
Case study: Larry, 38, was struggling to find names at work and felt his gut was inflamed.
His assessment revealed a primary pattern in Brain Performance & Cognitive Aging despite his young age. Testing showed memory-recall deficits, abnormal neuroinflammation markers and a mold exposure known to affect the brain. His mold source traced to his refrigerator line. After the source was removed and he completed a Living Method detox protocol, he reported improvement within two months.
Case study: Alejandra, 49, had trouble focusing, hot flashes, weight gain, gut issues and fatigue. Her doctor said her hormones and labs were normal.
Her assessment found elevated phthalates (hormone-disrupting environmental toxins) and lingering neuroinflammation from an old concussion. She removed the phthalate sources and began a treatment protocol. After four months, she reported that her hot flashes, gut issues and fatigue had improved by more than 75%, and her focus by 50%.
The fine print: these three cases are individual, patient-reported results shared with permission. Your results will depend on what your testing finds.

Case study: Mark, 52, said his "brain powered down at 2 pm" but had normal labs from his doctor.
His assessment pinpointed where to focus first: Mitochondrial Energy & Oxidative Stress. After targeted oral and IV treatments, his symptoms improved and his score rose more than 10 points.


One day. Over 200 data points. Your 10 scores. A plan to raise your lowest ones.
Powered by the patent-pending CogSpan™ System, with a personal results visit with Dr. Anvekar.
✓ Advanced labs, billed to insurance ✓ BrainCheck cognitive testing ✓ Strength & mobility testing
✓ Full medical & lifestyle review ✓ Your 10 Intrinsic Capacity Scores ✓ Your personal plan
Go deeper with an upgrade bundle: Environmental Toxins · Metabolic Testing · Follow Me
In their words



Everyone over 35 needs a baseline. Especially:
The Early Mover
Thirty-something, healthy on paper, and unwilling to find out at 55 what could have been found at 35.
The High Performer
Leads high-stakes work and has started noticing the first tax on energy, focus, and recovery.
The Woman in Transition
Perimenopause, postpartum, or somewhere in between — where the standard reference ranges fit worst and the dismissal comes fastest.
The Adult Child
Watched a parent go through dementia and is determined not to repeat it.

