Explore your body.

See how each organ ages, what to measure, and where to begin.

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Detailed human anatomy illustration showing internal organs Brain Epigenome Immune Lungs Heart Liver Gut Muscle
Active View: Brain & Cognition
View organ details Press 1-8 to choose an organ. Esc resets the view. Tap a pin to explore.
NEUROLOGICAL HEALTH

Brain & Central Nervous System

Cognitive reserve, synaptic plasticity, and slow-wave waste clearance.

Perfusion Rate 750 mL / min
Energy Demand 20% Whole Body
Glymphatic Window 02:00 - 04:00 AM
Compare tissue aging
Cellular Tissue Inspector
PHYSIOLOGICAL PEAK Optimal youthful function

High synaptic density, intact blood-brain barrier integrity, active neurogenesis in the dentate gyrus, and pulsatile clearance of metabolic waste during slow-wave sleep.

How it ages

As we age, microvascular blood flow to the brain decreases, synaptic density diminishes, and chronic microglial neuroinflammation rises. Crucially, the glymphatic waste system (which pulses cerebrospinal fluid through the brain during deep slow-wave sleep) becomes less efficient, permitting misfolded amyloid-beta and hyperphosphorylated tau proteins to aggregate.

What to measure

BDNF (Neurogenesis) Phospho-Tau 181 / 217 hs-CRP < 0.5 mg/L Cerebral Perfusion MRI

Everyday habits

  • Glymphatic Sleep Optimization: 7.5 to 8.5 hours in complete darkness and a cool environment (19°C / 66°F). Side-sleeping (lateral posture) maximizes gravitational and pulsatile cerebrospinal waste flush.
  • BDNF Aerobic Induction: 35-45 minutes of steady Zone 2 cardio paired with weekly high-intensity intervals triggers massive increases in circulating BDNF, stimulating hippocampus neurogenesis.
  • Heat Shock Protein Response: 20 minutes in a dry Finnish sauna (80°C) 4 to 7 times weekly is associated with a 66% lower risk of Alzheimer’s and dementia (Kuopio Ischemic Heart Disease Study).
  • Continuous Cognitive Demand: Actively learning unfamiliar motor-cognitive skills (new languages, instruments, ballroom dance, or tennis) forces novel neural pathway formation.

The Four Diseases That Cause 80% of Adult Deaths

For individuals over age 50 who do not smoke, the vast majority of mortality is caused by four slow-developing chronic conditions. Longevity medicine is about delaying their biological onset by 10 to 20 years.

Cardiovascular #1 Global Killer

Atherosclerotic Heart Disease (ASCVD)

Caused by circulating ApoB-containing lipoproteins that penetrate the endothelial arterial wall, oxidize, and trigger calcified plaque over decades until blood flow to the heart or brain is obstructed.

Primary Diagnostic: ApoB particle count + CAC scan
Longevity Target: ApoB < 60 mg/dL • CAC Score: 0
Oncology #2 Global Killer

Cancer & Somatic Mutation

Driven by cumulative DNA replication errors, oxidative damage, and the gradual decline of immune surveillance that allows mutated rogue cells to escape apoptosis and proliferate unchecked.

Primary Diagnostic: Colonoscopy, Low-Dose CT, Multi-Cancer Blood
Longevity Target: Early Stage 0/1 Detection
Neurology Cognitive Healthspan

Neurodegenerative Decline (Alzheimer's)

Progressive synaptic loss, microglial neuroinflammation, and failure of glymphatic waste clearance during deep sleep, leading to amyloid-beta aggregation and hyperphosphorylated tau tangles.

Primary Diagnostic: p-Tau 217, ApoE Genotyping, Volumetric MRI
Longevity Target: Sustain Deep Slow-Wave Sleep
Metabolic Underlying Multiplier

Metabolic Syndrome & Type 2 Diabetes

The underlying catalyst that accelerates the other three diseases. Driven by ectopic fat spilling into the liver and pancreas, chronic hyperinsulinemia, and endothelial glycocalyx erosion.

Primary Diagnostic: Fasting Insulin, HOMA-IR, Continuous Glucose
Longevity Target: Fasting Insulin < 5 µIU/mL

Compression of Morbidity Trajectory Simulator

Explore the idea of spending more years in good health. These illustrative curves cannot predict your lifespan, years of illness or need for care.

Model inputs

Adjust Longevity Levers

Adjust the inputs to compare illustrative scenarios. This is not a clinical prediction.

Benchmark Scenarios:
3.0 hrs/wk

Elite fitness was associated with 80% lower mortality than low fitness in one observational cohort.

3 sessions

Preserves bone mineral density, neuromuscular coordination, and protects against late-life falls.

60 mg/dL

Sub-60 mg/dL prevents atheroma formation, halting coronary artery calcification.

7.5 hrs/night

Powers nightly glymphatic waste clearance and restorative hormonal regulation.

Illustrative Lifespan 88.4 yrs Model output, not a prediction
Illustrative Healthspan 85.8 yrs Above the model reference
Morbidity Window 2.6 yrs Compressed by 84%
Functional capacity by age
  • Your illustrative scenario
  • Comparison (16 illness years)
  • Earlier decline scenario
CLINICAL PRINCIPLE

This illustration explores healthier aging. It cannot predict your lifespan, years of illness or need for care.

VO2 Max & All-Cause Mortality Hazard Curve

Higher fitness was associated with lower mortality in an observational study of 122,007 patients. This curve is an illustration, not a personal risk assessment.

Your inputs

Drag to adjust

40 years
44.0 mL/kg/min
Apple Watch / Garmin / Lab
Cooper 12-min Run Equiv

~2,450meters

ALL-CAUSE MORTALITY HAZARD RATIO
1.41x
Elevated Relative Risk (vs. Elite Baseline HR 1.0)

VO2 Max (mL / kg / min)Shaded bands follow your age and sex cohort

Cohort percentile 65th Percentile
ABOVE AVERAGE
  1. Low<25th
  2. Below average25th-49th
  3. Above average50th-74th
  4. High75th-97th
  5. Elite>97.5th

This input falls in the model's above average range. Higher fitness is associated with lower mortality, but this does not quantify your personal risk.

EXAMPLE TRAINING STRUCTURE:

Norwegian 4x4 Intervals: Perform 1 weekly session (4 minutes at 90-95% max HR, followed by 3 minutes active recovery, repeated 4 times). Paired with 150 minutes of Zone 2 steady cardio, this induces rapid mitochondrial biogenesis and expands stroke volume by 0.5-1.0 mL/kg/min per month.

Session structure4 x 4 min work, 3 min recovery
90-95% max HR Active recovery

Lifetime ApoB Atherosclerosis Exposure Projector

Lower ApoB over time can reduce cardiovascular risk. This chart illustrates exposure, not plaque volume or event timing. Its 9,000 reference is not a clinical threshold. Read the evidence.

Your inputs Drag to adjust
120 mg/dL

Average adult baseline is 100-130 mg/dL without lipid management.

38 years

Earlier lipid lowering can reduce cumulative exposure. Treatment depends on individual risk.

50 mg/dL

Optimal longevity target is < 60 mg/dL (achievable with diet + statin/ezetimibe/PCSK9i).

Cumulative exposure curve Illustrative ApoB exposure by age, mg·years/dL
MODELED APOB EXPOSURE AT AGE 80
6,660 mg·years/dL
30.6% Lifetime Exposure Reduction
MODEL REFERENCE
Below reference at age 80 Unchanged inputs: Model reference reached at age 75
Lifetime exposure at 80 Shared scale
Untreated Natural Trajectory 9,600 mg·yr (Above Model Reference)
With Early Intervention at Age 38 6,660 mg·yr (Below Reference at Age 80)
9,000 Model Reference
Clinical Takeaway:

Lower ApoB reduces modeled exposure through age 80. Cardiovascular risk also depends on other factors.

24-Hour Actionable Longevity Protocol Engine

Circadian biology governs gene transcription, cellular repair, hormonal pulses, and metabolic clearance. Select your individual lifestyle archetype below to generate an actionable, hour-by-hour operational schedule backed by peer-reviewed clinical science.

Choose an archetype Arrow keys switch
Circadian dial High-Stress Professional
  • Protocol phases
  • Feeding window
  • Sleep
Primary Objective Autonomic Nervous System Balance & Cortisol Taper
Circadian Anchor 06:30 AM Light Exposure / 22:30 PM Sleep
Feeding Window 10:00 AM - 18:30 PM (16:8 Time-Restricted)
Hour-by-hour schedule

Lifestyle aging illustration

Explore an illustrative model of sleep and movement. It does not measure biological age, predict lifespan or diagnose health. Clinical PhenoAge requires blood biomarkers and is not calculated here.

Your inputs Drag to adjust
38 years

Your age sets the baseline for this illustration.

180 mins / wk

Aerobic activity supports fitness. This model does not measure changes in biological aging.

7.5 hours

Under 6 hours nightly doubles cardiovascular event risk and impairs cellular waste clearance.

3 days / wk

Preserving lean muscle mass and grip strength is the single best defense against physical frailty past age 60.

Model contributions
  • Zone 2 cardio -
  • Sleep -
  • Strength -
YOUR ILLUSTRATION Lifestyle model
Illustrative age
31.8 years

Model vs chronological age

6.2 Years Below the Model Baseline
  • Chronological 38 yrs
  • Illustrative 31.8 yrs
Illustrative Pace Index 0.84x (Below baseline) A model index, not a measured rate of aging.
Illustrative Healthspan 91 Years An illustration, not a forecast of healthy years.
Key Priority for You:

Regular aerobic activity supports fitness. Build a routine that fits your ability and health.

The Longevity Blood Panel: Tests to Request

Standard annual physicals typically only order basic total cholesterol and fasting glucose, which can miss early cardiovascular and metabolic disease by a decade. Bring this checklist to your physician to request the tests that actually measure lifespan drivers.

  1. Tick the tests you want to raise
  2. Print a clean sheet
  3. Bring it to your appointment
Lab requisition Preventative biomarker panel
Selections are saved on this device
Marked for discussion 0 of 7 tests marked for discussion
Ask Biomarker Standard Range Optimal Longevity Target Clinical Significance Guide
Superior to LDL-C < 90 mg/dL < 60 mg/dL Directly measures the number of atherogenic, plaque-causing particles in your bloodstream.
Genetically determined < 75 nmol/L < 30 nmol/L Independent genetic risk factor for early heart attack and stroke. Only needs to be tested once in life.
Early metabolic warning < 20 µIU/mL < 5 µIU/mL Spikes up to 10 years before fasting glucose rises, detecting insulin resistance at the reversible stage.
Vascular inflammation < 3.0 mg/L < 0.5 mg/L Quantifies low-grade systemic vascular inflammation that destabilizes arterial plaques and promotes decline.
3-Month glucose average < 5.7% < 5.2% Reflects glycosylation of red blood cells. Lower levels reduce advanced glycation end-products (AGEs).
Methylation & vascular health < 15 µmol/L < 9 µmol/L Elevated levels damage endothelial lining and correlate with cognitive decline; easily modulated with B vitamins.
Immune & bone regulator > 30 ng/mL 50 - 70 ng/mL Critical for thousands of gene transcription pathways, immune defense, and bone mineral density preservation.
Tick the tests you want to raise, then print a clean sheet for your appointment. Press P to print