Psychologically, depression is guided by inner beliefs that get shaped during key periods of development. 
Socially, depression becomes intertwined with social roles. 
Spiritually, depression is affected by a sense of meaning and purpose in the world. 

Childhood abuse is a major cause of mental illness. Victims of childhood abuse are at higher risk for a wide range of mental health conditions as well as substance use disorders.  

More than 50 research studies worldwide have found that certain types of news coverage can increase the likelihood of suicide in vulnerable individuals. The magnitude of the increase is related to the amount, duration and prominence of coverage.

If it’s this hard for you to get off that smartphone, imagine the effects of constant access to screens and social media on the brain of a developing preteen. Imagine navigating the self-conscious years while actually being rated by your peers with the presence or absence of comments and likes.