A nursing assistant is taking care of four patients. Wally’s symptoms are a decreased muscle mass, weakness, and diarrhea. Sally’s symptoms are a reduced ability to see and hear, bone loss, and a diminished kidney capacity. Horton’s symptoms are a reduced lung capacity, a cough, and a viral infection. Grace’s symptoms are chest pain from a heart arrhythmia, high blood pressure, and clogged arteries. Which of the nursing assistant’s patients has the most age-related symptoms?