From The Practice

Clinical Insights

Perspectives on preventative health, executive longevity, and the art of medicine in active practice — prioritizing contextual interpretation and longitudinal oversight above automated algorithms.

Cognitive risk early detection and neuroprotection

Identifying Cognitive Risk Early: A Long-Term Approach

A pre-symptomatic framework for neuroprotection integrating familial pedigree, APOE genetics, metabolic biomarkers, structured cognitive baselines, and volumetric brain imaging.

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Cardiovascular disease risk in asymptomatic adults

How We Think About Cardiovascular Risk in Asymptomatic Adults

Why conventional 10-year risk calculators fail adults under 55 and how advanced atherogenic biomarkers (ApoB, Lp(a)), retinal scans, and plaque imaging unmask silent disease.

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Cancer screening with clinical judgement and balance

Cancer Screening With Judgement: Early Detection vs Overdiagnosis

The delicate balance between life-saving early detection and the psychological and physical harms of over-investigation, evaluating liquid biopsies, tumor markers, and MRI.

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Clinical Essay • Neurodegenerative Health

Identifying Cognitive Risk Early: A Long-Term Approach to Brain Health

Author: Dr Amarjit Raindi, Founder & Medical Lead Published: March 2026 5 min read

Neurodegenerative illnesses — including Alzheimer’s disease, vascular dementia, and frontotemporal lobar degeneration — do not begin abruptly in later life. Pathological cascades commence twenty to thirty years before memory or executive complaints emerge in clinic. The primary clinical opportunity exists in the pre-symptomatic phase.

1. Personal History & Familial Pedigree

Assessment commences with generational analysis: identifying the precise age of onset in first-degree relatives, patterns of cardiovascular comorbidities, and family histories of early vascular impairment.

2. Modifiable Vascular Risk & Sleep Architecture

Cerebral health is inextricably linked to microvascular health. Optimizing blood pressure variability, systemic inflammatory markers, and glycemic control directly preserves cerebral perfusion. Furthermore, we monitor sleep architecture and nocturnal oxygenation via multi-week medical diagnostic devices to evaluate glymphatic clearance — the brain’s waste-removal mechanism during deep slow-wave sleep.

3. Structured Multi-Domain Cognitive Baselines

Rudimentary bedside tests routinely fail high-functioning executives whose cognitive reserve masks early functional changes. We establish baseline metrics across processing speed, attention, visuospatial reasoning, and executive memory, tracking longitudinal deviation against personal baselines over years.

4. Genetic Risk Profiling (APOE)

APOE-ε4 allele status is framed strictly probabilistically: carrying one or two risk alleles is not deterministic. A high-risk genotype allows us to implement aggressive lifestyle, metabolic, and vascular counter-measures decades ahead of symptomatic risk.

5. Emerging Plasma Biomarkers & Neuroimaging

Alongside reversible metabolic factors (active B12, folate, homocysteine, ApoB), we monitor emerging plasma proteomics such as phosphorylated tau (pTau187) and neurofilament light chain (NfL), combined with high-field brain MRI with AI hippocampal volumetrics to identify microvascular small vessel disease early.

The Concierge Clinic Conviction: A single cognitive evaluation represents a static snapshot. Serial longitudinal assessments establish a personal biological trajectory, granting us the power to intervene when subtle micro-deviations first appear.
Clinical Essay • Vascular Health

How We Approach Cardiovascular Disease Screening in Asymptomatic Adults

Author: Dr Amarjit Raindi, Founder & Medical Lead Published: December 2025 6 min read

Atherosclerosis is a multi-decade biological process. For a tragic number of people, the very first indication of cardiovascular disease is an acute myocardial infarction or stroke. Yet the overwhelming majority of heart attacks are entirely preventable when atherogenic drivers and vascular pathology are identified and stabilized early.

1. The Failure of Population Risk Calculators

Tools like QRISK rely on 10-year short-term population probabilities. Because age dominates these algorithms, an asymptomatic 42-year-old with significant soft atheromatous plaque will almost invariably score “low risk,” creating false reassurance during the exact window when intervention is most curative.

2. Blood Markers in Biological Context

Standard lipid panels provide incomplete data. Total cholesterol and calculated LDL overlook particle quantity. We evaluate Apolipoprotein B (ApoB) — the total number of atherogenic circulating particles — and genetically determined Lipoprotein(a) [Lp(a)], coupled with systemic high-sensitivity C-reactive protein (hs-CRP).

3. Selective Anatomical Plaque Visualisation

We deploy non-invasive AI-enhanced retinal imaging as a direct proxy for coronary microvascular health without radiation. Where clinically indicated, Coronary Artery Calcium (CAC) scoring and CT Coronary Angiography (CTCA) visualize non-calcified soft plaque burden directly, transforming abstract risk calculations into definitive anatomical targets.

4. Trajectory Stabilization

Detecting early plaque in a 40-year-old represents an urgent opportunity for plaque stabilization and reversal through targeted lifestyle adaptation and modern therapeutics (such as statins, PCSK9 inhibitors, or bempedoic acid). Through serial surveillance, we confirm that chosen interventions are actively halting disease progression.

Clinical Essay • Precision Oncology

Cancer Screening With Judgement: Balancing Early Detection and Overdiagnosis

Author: Dr Amarjit Raindi, Founder & Medical Lead Published: September 2025 7 min read

The desire for exhaustive cancer screening is entirely understandable. However, in medicine, more testing is not synonymous with better care. Indiscriminate screening introduces genuine risks of physical harm, psychological anguish, and invasive procedures for clinically insignificant anomalies that would never have threatened life.

1. The Limits of Standalone Blood Markers

Conventional tumour markers (such as CEA, CA125, or CA19-9) were developed for monitoring response to established cancer therapy, not for primary screening in healthy individuals. When applied indiscriminately, they yield high rates of both false alarms and false reassurance.

2. Liquid Biopsies (cfDNA / MCED)

Multi-cancer early detection tests analyzing cell-free circulating DNA represent a genuine frontier. However, critical caveats exist: sensitivity for Stage I tumours remains moderate, negative results do not exclude malignancy, and some positive signals detect indolent micro-neoplasms that would have resolved naturally via immune surveillance.

3. Incidentalomas & Whole-Body MRI

Whole-body MRI is heavily marketed by retail clinics. Yet in healthy individuals, it identifies benign incidental findings (incidentalomas) in up to 30% of scans — harmless renal cysts, benign hepatic haemangiomas, and thyroid nodules that trigger cascading cycles of follow-up scans, biopsies, and anxiety.

4. The Clinician’s Role: Shared Decision-Making

We anchor cancer surveillance in proven mortality-reducing interventions: scheduled colonoscopy, cervical cytology, mammography, and low-dose CT for individuals with substantial smoking history — supplemented selectively with genetic risk profiling (BRCA, Lynch syndrome). Every screening decision is made transparently, matching medical evidence with individual patient values.