Unable or unwilling to comply with study procedures.

The use of drugs for lowering serum cholesterol, serum triglycerides, blood pressure, or diabetes.

Unusual dietary patterns, including high alcohol intakes

Recent (\< 4 weeks) or current participation in a study with any investigational drug or dietary intervention.

High concentrations of total cholesterol (\>8 mmol/L).

Diabetes mellitus.

Being pregnant or giving breastfeeding.

MARIS Study; Mediterranean Approach to Reduce Insulin-Resistance Study