{"id":9015,"date":"2023-01-25T08:35:21","date_gmt":"2023-01-25T08:35:21","guid":{"rendered":"https:\/\/blog.fourthfrontier.com\/?post_type=web-story&p=9015"},"modified":"2023-01-25T08:35:23","modified_gmt":"2023-01-25T08:35:23","slug":"normal-heart-rate-whats-healthy-for-your-age-and-fitness-level","status":"publish","type":"web-story","link":"https:\/\/blog.fourthfrontier.com\/uk\/web-stories\/normal-heart-rate-whats-healthy-for-your-age-and-fitness-level\/","title":{"rendered":"Normal Heart Rate: What’s Healthy for Your Age and Fitness Level?"},"content":{"rendered":"