What Insulin Resistance Is

Insulin resistance means the body needs progressively more insulin to keep blood glucose in range. Because the pancreas compensates for years, fasting glucose can look normal long after the underlying process has begun influencing blood pressure, lipids, inflammation, and vascular health.

The Cardiovascular Connection

Elevated insulin levels promote changes that damage arteries over time: higher triglycerides, lower HDL, smaller and denser LDL particles, increased blood pressure, and chronic low-grade inflammation. This is why insulin resistance is considered a central driver of cardiovascular risk, not merely a precursor to diabetes.

How It Is Identified Earlier

Fasting insulin, glucose and insulin patterns, triglyceride to HDL ratios, waist measurements, and body composition can reveal insulin resistance well before a standard glucose test flags a problem. Identified early, it responds meaningfully to targeted changes in nutrition, activity, sleep, and, where appropriate, medication.