Inclusion Criteria:  Healthy Group:  Total blood cholesterol levels of less than 200 mg/dL LDL-cholesterol levels of less than 135 mg/dL Not suffer from any other pathology. No drugs, hormones or dietary supplements, no smoking, no pregnancy, no vegetarianism, etc.  Cardiovascular Risk Group:  Total cholesterol levels between 200-300 mg/dL LDL-cholesterol levels between 135-175 mg/dL. No acute or chronic pathology, except hypercholesterolemia No drugs, hormones or dietary supplements, no smoking, no pregnancy, no vegetarianism, etc.).  Exclusion Criteria:  Failure to meet any of the inclusion criteria