Lighting, pollution, and traffic are all important safety factors consider when exercising

If your preferred exercise is away from the Gym and involves walking, running, cycling or exercising in more public areas along footpaths or in parks this statement is certainly TRUE.

Ibelieve the best option is c eat nutritous food

Behavioral science is the study of human behaviors and how they can be influenced.  by examining patterns in behavior as well as reactions, individuals with behavioral problems can be more adequately treated, resulting in greater mental health of our society/the public.