Dr. Jeremy London: Test Fasting Insulin for Heart Risk

Cardiac surgeon Dr. Jeremy London warns that even seemingly healthy people can be at risk for heart issues if they don't test their fasting insulin levels. He says this overlooked biomarker is a crucial indicator for metabolic health and heart disease prevention, especially since his own untreated high levels contributed to a heart attack. Get this blood test if you're serious about metabolic health, not just heart health.