Cloze (1):JXUwMDFjJXUwMDIxJXUwMDE1JXUwMDAyJXUwMDE3JXUwMDE2JXUwMDAwJXUwMDFhJXUwMDFmJXUw MDEz symptoms, in particular, are some of the most serious psychological problems in adolescents; the relationship between depressive symptoms and mobile phone addiction is a critical issue because such symptoms may lead to substance abuse, school failure, and even suicide. 

Depression caused by phone addiction can result in failure of the entire life.

The increase of mobile Cloze (2):JXUwMDI4JXUwMDE4JXUwMDA3JXUwMDAxJXUwMDBi addiction levels would increase user's social isolation from a decrease of face-to- Cloze (3):JXUwMDNlJXUwMDA3JXUwMDAyJXUwMDA2 social interactions, then users would face much more interpersonal problems.

The phone stops the conversation and interaction between Cloze (4):JXUwMDMwJXUwMDFkJXUwMDE4JXUwMDBjJXUwMDBmJXUwMDFk .

The process of smartphone overuse may negatively affect social support and undermines user's psychological health.

Some indirect evidence also exists.

Studies with teens have Cloze (5):JXUwMDNiJXUwMDBjJXUwMDAxJXUwMDFkJXUwMDFhJXUwMDFhJXUwMDA3JXUwMDExJXUwMDBiJXUw MDFhJXUwMDE4JXUwMDE1 shown that there are significant relationships between high extroversion, high anxiety, low self-esteem, and mobile phone usage.

The stronger the young person's mobile phone Cloze (6):JXUwMDM5JXUwMDA1JXUwMDAwJXUwMDBkJXUwMDBhJXUwMDE3JXUwMDFkJXUwMDA2JXUwMDAx , the more likely that individual is to have high mobile phone call time, receive excessive calls, and receive excessive text Cloze (7):JXUwMDM1JXUwMDA4JXUwMDE2JXUwMDAwJXUwMDEyJXUwMDA2JXUwMDAyJXUwMDE2 .