During the nutrition lecture at the CrossFit Level 1 Certificate Course, CrossFit Seminar Staff member Dennis Marshall explains that the current problem with the standard American diet is the over-consumption of carbohydrates.

“Too much insulin in the bloodstream—that’s what hyperinsulinemia refers to,” Marshall says, exploring the problem further.

Hyperinsulinemia is a common element among a variety of chronic diseases such as obesity, Alzheimer’s disease, cancer, heart disease and diabetes.

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