Respuesta :

zalaa3322

Smartphones contribute to sleep issues. ...

They can ruin romantic relationships. ...

They can take a toll on friendships. ...

They can have a negative influence on parenting. ...

They're replacing in-person communication and conflict.

Answer:

Negative effect of smart phones :

  • They may cause headaches, decreased attention, shortness of temper, sleep disorders and depression, mostly among teenagers.

  • They're replacing in-person communication and conflict.

  • They can have a negative influence on parenting. ...