“ANALYSIS OF PHYSICAL ACTIVITY AND NITRIC OXIDE ON THE INCIDENCE OF HYPERTENSION AMONG THE ELDERLY IN THE WORKING AREA OF NANGGALO PUBLIC HEALTH CENTER IN 2025 : HYPERTENSION AMONG THE ELDERLY ” (2025) INDONESIAN JOURNAL OF HEALTH SCIENCES RESEARCH AND DEVELOPMENT (IJHSRD), 7(2), pp. 57–61. doi:10.36566/ijhsrd/Vol7.Iss2/319.