“It matters because it can indicate level ... below chart from UCSF Benioff Children’s Hospital outlines the normal range of beats per minute for resting heart rate, based on age.

Sarah is an experienced writer and editor enthusiastic about helping readers live their healthiest and happiest lives. Before joining Forbes Health, Sarah worked as a writer for various digital ...

older age was significantly associated with lower renal plasma flow and GFR with or without correction for body surface area, suggesting that hyperfiltration may be present with normal GFR for ...

Understanding your creatinine levels ... GFR, which is what really tells us how well the kidney is filtering," Yau explains. "That GFR equation is stratified based on your age. What might be a ...