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 . ijhsrd [Internet]. 2025 Dec. 24 [cited 2026 Aug. 18];7(2):57-61. Available from: http://ijhsrd.com/index.php/ijhsrd/article/view/319