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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 biomarkersGlobulin 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 Sep 4, 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 Aug 28, 202617 minute read

In-depth guideBlood tests and biomarkersAntinuclear 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 Sep 5, 202612 minute read

In-depth guideBlood tests and biomarkersaPTT (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 Sep 11, 20265 minute read

In-depth guideBlood tests and biomarkersVitamin 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 Sep 21, 20265 minute read

In-depth guideBlood tests and biomarkersMean 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 Sep 12, 20265 minute read

In-depth guideBlood tests and biomarkersTransferrin 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 Sep 8, 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 Aug 11, 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 Sep 4, 202616 minute read

In-depth guideBlood tests and biomarkersEosinophils: 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 Sep 8, 20265 minute read

In-depth guideBlood tests and biomarkersUACR 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 Aug 27, 202614 minute read

In-depth guideBlood tests and biomarkers24-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 Aug 31, 202613 minute read

In-depth guideBlood tests and biomarkersBUN 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 Aug 29, 202614 minute read

In-depth guideBlood tests and biomarkersESR 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 Sep 3, 202614 minute read

In-depth guideBlood tests and biomarkersFree 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 Sep 11, 20265 minute read

In-depth guideBlood tests and biomarkersNon-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 Aug 29, 202615 minute read

In-depth guideBlood tests and biomarkersSodium 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 Sep 4, 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 Aug 10, 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 Aug 10, 202631 minute read

In-depth guideBlood tests and biomarkersAnti-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 Sep 5, 202613 minute read

In-depth guideBlood tests and biomarkersUrine 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 Sep 24, 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 Aug 28, 202617 minute read

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

In-depth guideBlood tests and biomarkersDHEA-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 Sep 4, 202614 minute read

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