Public safety regulations protect workers because they provide regulations about various aspects of public safety that increase the safety of different job-related possible occurences which could influence how workers perform their job (mostly in terms of their own safety).
Sugar in fruits are is a different kind of sugar to natural sugar breaks down different in the body and where as regular sugar doesn't break down as well and it turns into fat molecules
I think it is going to be C.
Each one can affect mental health. All of the above is correct answer.