Participants
hypertension, DBP] ≤, cardiovascular disease, diabetes
HYPERTENSION, CARDIOVASCULAR DISEASE, DIABETES
Twenty healthy men were recruited to participate in this study. All participants did not have a history of hypertension (systolic BP [SBP] ≤ 140 and diastolic BP [DBP] ≤ 90 mmHg), were nonsmokers, and were free of overt cardiovascular disease or diabetes, as assessed by medical history. All participants provided written informed consent to participate before the start of this study. The purpose, procedures, and risks involved in this study were reviewed and approved by the Human Research Committee of Waseda University (approval No. 2021-214). This study was conducted according to the guidelines of the 1975 Declaration of Helsinki.