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Best Biomarkers on a Budget

The highest-information-per-dollar biomarkers accessible via routine primary care ordering — no boutique panels required.

Best Biomarkers to Track in Your 40s

A focused panel of high-leverage biomarkers for adults in their 40s — the decade where preventive medicine pays the largest lifetime dividend.

Best Dietary Approach for APOE4 Carriers

APOE4 carriers face elevated Alzheimer's, cardiovascular, and lipid response risks — dietary patterns diverge from generic longevity advice on saturated fat, alcohol, and antioxidant-rich foods.

Best High-Leverage Tests for Longevity

Tests where the result genuinely changes management. Skip the comprehensive 100-marker panel temptations and prioritise tests with outcome-shifting interpretations.

Best Interventions for Sleep

Sleep is foundational. This is a prioritised list of interventions with the strongest evidence — starting with the highest-leverage and least-invasive.

Best Longevity Interventions Over 70

In the eighth decade, priorities shift: preserve function, avoid falls, treat what actually matters, and be highly cautious about polypharmacy.

Best Longevity Interventions That Cost Nothing

Most of the highest-leverage longevity interventions cost nothing or very little. A reminder of what actually changes outcomes.

Best Preventive Screening and Imaging by Decade

The imaging and structured screening tests worth doing at each decade transition — 30s, 40s, 50s, 60s, 70s+ — organised by outcome-changing potential.

Best Supplements for Longevity (Evidence-Backed Only)

Most longevity supplements have thin evidence. This is a short list of supplements with reasonable evidence in some adults, organised by use case.

Best Supplements Where Drug Interactions Matter Most

Common longevity supplements with meaningful clinical drug interactions — when to stop them before surgery, and which combinations to actively avoid.