Preventive cardiology explained: cholesterol, cardiovascular health, Life’s Essential 8, and educational health calculators.
Preventive cardiology starts with understanding what a measurement can tell you—and what it cannot. This collection brings together explanations of cholesterol tests, cardiovascular health measures, and the methods behind this site’s educational calculators. The aim is to make the numbers easier to discuss, with study sources and assumptions available for readers who want to look more closely.
The cholesterol articles cover LDL-C, ApoB, lipoprotein(a), and related blood tests. The LDL reduction calculator lets you explore how selected treatment percentages translate into a modeled LDL value; its methods article explains the equation, dose estimates, and limitations. Read those pages together to distinguish an illustrative calculation from an individual treatment recommendation.
Vital8 and the Life’s Essential 8 resources organize another part of the collection around cardiovascular health factors. You will also find articles on food, nicotine, blood sugar, and cardiorespiratory fitness, including VO2 max and wearable estimates. Use the factor pages to explore a topic or the health calculators directory to find a tool. Results are educational and should support questions for a qualified healthcare professional. They do not diagnose a condition, determine your personal risk category, or tell you to start, stop, or change a medicine.
A readable explanation of the LDL calculator’s equations, statin dose estimates, combination therapy assumptions, study sources, and limitations.
Sep 16, 2026 · 11 min read
A preventive cardiology guide to LDL cholesterol, ApoB, Lp(a), and hs-CRP: what each blood test measures, when it helps, and how to use the results.
Sep 9, 2026 · 11 min read
Learn what an ApoB blood test measures, when it adds information beyond LDL cholesterol, and how to interpret and lower ApoB.
Sep 7, 2026 · 12 min read
A simple LE8 calculator for estimating cardiovascular health across diet, activity, nicotine, sleep, BMI, cholesterol, blood sugar, and blood pressure.
Aug 30, 2026 · 1 min read
Check your VO2 max, compare it with age-based ranges for men and women, and learn how to improve VO2 max for long-term cardiovascular health.
Aug 27, 2026 · 8 min read
Your A1c is a three-month average of your blood sugar. Here's what the number means, why cardiovascular risk rises long before diabetes, why the lowest A1c isn't the safest one, and how to move it with lifestyle.
Aug 21, 2026 · 19 min read
A plain-English guide to Lp(a): what it is, why it matters, who should get tested, why lifestyle barely changes it, and what new treatments may mean.
Aug 16, 2026 · 14 min read
A Vital8 guide to cigarettes, vaping, nicotine pouches, harm reduction, and the evidence-based tools that help people quit nicotine for good.
Aug 16, 2026 · 14 min read
Understand what your LDL cholesterol level means, how LDL relates to ApoB and cardiovascular risk, and how lifestyle and medications lower LDL.
Aug 14, 2026 · 21 min read
A calm, evidence-aware guide to eating better for cardiovascular health: energy balance, food quality, Mediterranean and DASH patterns, and why macronutrient perfection is usually the wrong target.
Aug 10, 2026 · 15 min read
The evidence and scientific rationale behind Vital8, an educational cardiovascular health score built on the American Heart Association's Life's Essential 8 (LE8) framework — covering preventive cardiology, ApoB/non-HDL cholesterol, and VO2 max.
Aug 6, 2026 · 16 min read
The concise technical scoring appendix for Vital8, including Life's Essential 8 (LE8) domain thresholds, treatment adjustments, and the exploratory Lp(a), hsCRP, and CRF multiplier model.
Aug 6, 2026 · 8 min read