Participants. Twelve healthy men and women (6 men, 6 women) aged
61–75 y were recruited for this study. All study participants were
nonsmokers and did not have a history of chronic disease. Exclusion
criteria for study participation included use of antioxidant supplements in
excess of a standard daily multivitamin, current hormone replacement
therapy, uncontrolled hypertension, obesity as determined by BMI . 30
kg/m2
, and use of antiinflammatory medication. The physical character-
istics of the study participants are shown in Table 1. Medications reported
by study participants were related to cholesterol lowering (n = 5), blood
pressure (n = 3), thyroid (n = 1), prostate (n = 1), and osteoporosis (n = 1).
Seven study participants (58%) were not taking any medications.