All of the options will help a person avoid eye strain except for watching television in the dark.
The conclusion would be; People who have a defect in a specific gene have a predisposition to depression. This mainly is because of the lack in social support.
I think this could be the answer.
Endocrine gives the correspondence through hormones; secrete their hormones directly into the bloodstream and uses blood vessels as information channels. ... Theendocrine and integumentary systems correlate with the sense organs, which react to heat, cold, vibration, texture, and pressure.