The Deadly Quartet – Dr. Norman Kaplan

The Deadly Quartet - Dr. Norman Kaplan

Community Fitness Founder Greg Glassman has been highlighting the importance of Dr. Norman Kaplan’s paradigm-shifting 1989 paper “The Deadly Quartet” for more than a decade.

In this talk from 2007, Glassman explains Kaplan’s findings: The frequent coexistence of obesity, hypertension, glucose intolerance and hypertriglyceridemia suggests a shared pathogenesis, and “what’s causing heart disease is not dietary fat intake but excessive consumption of carbohydrate.”

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