Pros: teamwork, doing something you enjoy, spending time with friends cons: staring at a screen, bad posture, might be on it for to long
Reading and gazing at the stars are two ways to relax.
The answer is C muscular system
Maybe a psychologist (someone who studies, diagnoses and treats behavioral issues or mental health concerns) to diagnose personality changes, and a neurologist (someone who deals with disorders of the nervous system) to address the memory issues
hope i helped :)