PI (Predictive Informatics) can forecast the possible outcomes of a particular disease and help in decision making in case of critical medical issues. It helps to extract the patient's core data and create a specific data forecasting the future outcomes.
PI is helpful because it:
-reduces the severity of disease in future
-predicts future outcomes
-saves time and lives by keeping an eye on the health data of a patient.
I believe the answer is C. This is because most men do naturally have more muscle mass, so they need more energy to function. This is not the case if you do a lot of muscle building activities, though.