Metabolic syndrome is a cluster of five findings, central obesity, high triglycerides, low HDL cholesterol, elevated blood pressure and raised fasting glucose. Meeting any three earns the diagnosis and roughly doubles cardiovascular risk while multiplying diabetes risk several fold. Enter the five values to see how many criteria are met and whether the cluster threshold is crossed.
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Scientific references
Doctors noticed decades ago that certain problems arrive together. The same patient tends to carry weight around the middle, show high triglycerides, low protective cholesterol, creeping pressure and rising glucose. Named metabolic syndrome, this cluster proved more dangerous than the sum of its parts, roughly doubling heart disease risk and raising diabetes risk fivefold.
The Five Criteria
The harmonized definition counts a large waist, above one hundred two centimeters in men and eighty eight in women by American cutoffs, triglycerides at one fifty or more, HDL below forty in men or fifty in women, pressure of one thirty over eighty five or higher, and fasting glucose at one hundred or above. Any three of five establish the diagnosis.
The Engine Underneath
Insulin resistance drives most of the cluster. When cells stop answering insulin properly, the pancreas compensates with more, and the hormonal spillover raises pressure, reshuffles fats into the wrong places and inflames vessel walls. Central fat is both a symptom and an amplifier, releasing inflammatory signals that deepen the resistance.
Why the Diagnosis Matters
Each criterion alone earns modest attention, but the cluster reframes risk upward and justifies aggressive lifestyle intervention even before diabetes or hypertension formally arrive. The syndrome is reversible. Weight loss of seven to ten percent, brisk walking most days and cutting refined carbohydrate reverse the full cluster in a meaningful share of patients within a year.
Ethnicity shifts waist thresholds downward in Asian and some other populations, so several regions apply lower cutoffs than the American figures this tool uses.