5-case-study | Biology homework help
Karen was 68 years old and in good health. She loved to run and had competed in numerous marathons (26.2 miles) throughout her 40s, 50s and 60s. Recently, her primary care physician had cautioned her to slow down her running and take it easier on her body. Her physician, knowing that Karen was unlikely to stop running altogether, suggested that she limit her running to […]