blood lipids cardiovascular disease risk fiber functional foods soy protein almonds cancer cholesterol glycemic index lipids low saturated fat plant sterols soluble fiber viscous dietary fiber HDl cholesterol Lipids and cardiovascular risk National Cholesterol Education Program alpha-linoleic acid androgen antioxidants blood blood pressure cardiovascular disease [CVD] cardiovascular risk coronary artery disease coronary heart disease coronary heart disease [CHD] creatinine diabetes diet portfolio evolution fat flaxseed functional food glucose high-protein diets homocysteine humans hyperlipidemia insulin isoflavones ldl cholesterol lignans linoleic acid nuts olants sterols oxidative stress oxidized LDL plant foods progestin