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Understand risk early

Turn health signals into better prevention questions

Learn how screening results, family history, trends and common risk signals fit together—and when professional follow-up matters.

63 published guidesBrowse the complete library

Illustrated prevention and health risk guide with cardiovascular context

Prevention & Health Risks

Published guides

Prevention & Health Risks

63 results

In-depth guideBlood tests and biomarkers.Globulin Blood Test: High, Low and A/G RatioLearn what a globulin blood test measures, how calculated globulin and the A/G ratio differ, and how to read high or low results in context.Updated 4 Sept 202613 minute read

In-depth guideSupplementsN-Acetylcysteine (NAC): Benefits, Dose & SafetyEvidence-based NAC guide separating medical acetylcysteine treatment from supplement claims, with condition-specific findings, studied doses, side effects and interactions.Updated 28 Aug 202617 minute read

In-depth guideBlood tests and biomarkers.Antinuclear Antibody (ANA) Test: Meaning, Patterns and LimitsA plain-English guide to antinuclear antibody testing, including titre, pattern, HEp-2 IFA, other assays, healthy positives and why the result needs clinical context.Updated 5 Sept 202612 minute read

In-depth guideBlood tests and biomarkers.aPTT (PTT) Blood TestLearn what aPTT measures, why a prolonged clotting time does not always mean bleeding risk, and how medicines and sample quality affect the result.Updated 11 Sept 20265 minute read

In-depth guideBlood tests and biomarkers.Vitamin B6 (PLP) Blood TestUnderstand plasma PLP testing, preparation and supplement effects. See why laboratory intervals vary and a high B6 result does not alone diagnose nerve injury.Updated 21 Sept 20265 minute read

In-depth guideBlood tests and biomarkers.Mean Platelet Volume (MPV) Blood TestUnderstand mean platelet volume alongside platelet count. Learn why laboratory methods and sample timing matter, and why MPV alone cannot diagnose a cause.Updated 12 Sept 20265 minute read

In-depth guideBlood tests and biomarkers.Transferrin Blood Test: Iron Transport and Result ContextLearn what measured transferrin means, how it differs from ferritin and transferrin saturation, and why inflammation and laboratory units matter.Updated 8 Sept 20265 minute read

In-depth guideSupplementsBerberine: Benefits, Dose, Weight Loss & Safety | LongevityMateEvidence-based berberine guide covering glucose, cholesterol, weight loss, dose, forms, side effects, pregnancy, medicine interactions and product quality.Updated 11 Aug 202638 minute read

In-depth guideSupplementsLutein Supplements: Eye Evidence, Dose, Food Sources and SafetyA clear lutein guide covering AREDS2, intermediate AMD, lutein plus zeaxanthin, studied doses, food and label checks, smoking warnings, interactions and uncertainty.Updated 4 Sept 202616 minute read

In-depth guideBlood tests and biomarkers.Eosinophils: Absolute Count and PercentageUnderstand eosinophil counts and percentages, convert common units, and learn why the full blood count, symptoms, medicines and laboratory range matter.Updated 8 Sept 20265 minute read

In-depth guideBlood tests and biomarkers.UACR Test: Urine Albumin-Creatinine Ratio ExplainedUnderstand what a UACR urine test measures, the A1 to A3 categories, why repeat testing matters, and how UACR works with eGFR to assess kidney health.Updated 27 Aug 202614 minute read

In-depth guideBlood tests and biomarkers.24-Hour Urine Creatinine: Test & ResultsUnderstand a 24-hour urine creatinine result, collection accuracy, units, creatinine clearance and why muscle mass and kidney context matter.Updated 31 Aug 202613 minute read

In-depth guideBlood tests and biomarkers.BUN Blood Test: High, Low & Kidney ContextUnderstand blood urea nitrogen (BUN), why hydration and protein affect it, and how creatinine, eGFR, urine albumin and trends clarify a result.Updated 29 Aug 202614 minute read

In-depth guideBlood tests and biomarkers.ESR Blood Test: High, Low and What Results MeanLearn what an erythrocyte sedimentation rate (ESR) measures, how Westergren and alternate methods differ, and why age, sex, pregnancy and anaemia matter.Updated 3 Sept 202614 minute read

In-depth guideBlood tests and biomarkers.Free T3 (FT3) Blood TestUnderstand free T3 alongside TSH and free T4. Learn why assay methods, illness and biotin matter, and why FT3 is not a personal metabolism target.Updated 11 Sept 20265 minute read

In-depth guideBlood tests and biomarkers.Non-HDL Cholesterol: Formula, Goals & MeaningCalculate non-HDL cholesterol, understand which particles it represents, and interpret goals with LDL, triglycerides, ApoB and overall cardiovascular risk.Updated 29 Aug 202615 minute read

In-depth guideBlood tests and biomarkers.Sodium Blood Test: Low, High and What Results MeanLearn how a sodium blood test reflects water balance, why your report interval matters, and how low or high results fit symptoms, medicines and other tests.Updated 4 Sept 202613 minute read

In-depth guideSupplementsFolate & Folic Acid: Benefits, Dose, MTHFR & Safety | LongevityMateEvidence-based guide to folate and folic acid: pregnancy, deficiency, MTHFR, methylfolate, dose, food sources, interactions, B12 safety and testing.Updated 10 Aug 202634 minute read

In-depth guideSupplementsVitamin B6: Benefits, Safe Dose, P-5-P & Toxicity | LongevityMateEvidence-based vitamin B6 guide covering who benefits, safe dose, pyridoxine versus P-5-P, neuropathy, pregnancy nausea, interactions, testing and food.Updated 10 Aug 202631 minute read

In-depth guideBlood tests and biomarkers.Anti-Müllerian Hormone (AMH): Ovarian Reserve and What It Cannot PredictA careful guide to Anti-Müllerian hormone, including ovarian reserve, fertility-treatment response, age, assay, contraception, units and why AMH is not a stand-alone fertility or PCOS test.Updated 5 Sept 202613 minute read

In-depth guideBlood tests and biomarkers.Urine Protein-Creatinine Ratio: UPCR vs UACRLearn what a spot urine protein-creatinine ratio measures, why UPCR differs from UACR, and how sample timing, units and repeat tests affect its meaning.Updated 24 Sept 20267 minute read

In-depth guideSupplementsCurcumin & Turmeric: Benefits, Dose & Liver SafetyEvidence-based curcumin and turmeric guide covering osteoarthritis findings, formulation and dose differences, side effects, liver injury, pregnancy and interactions.Updated 28 Aug 202617 minute read

In-depth guideBlood tests and biomarkers.Copper Blood TestUnderstand total serum copper, laboratory ranges and ceruloplasmin. Learn why inflammation, hormones, zinc and sample handling affect high or low results.Updated 22 Sept 20265 minute read

In-depth guideBlood tests and biomarkers.DHEA-S Blood Test: Meaning, Age and Clinical ContextLearn what a DHEA-S result can show about adrenal androgen production, why age, sex, assay and symptoms matter, and why a result cannot diagnose a condition by itself.Updated 4 Sept 202614 minute read

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