Sad upset redhead teen girl holding smartphone looking at device screen feeling lonely and isolated, depressed young woman scrolling social media while sitting on sofa at home. Internet use and depression, gadgets and mental health [Getty Images]

Sad upset redhead teen girl holding smartphone looking at device screen feeling lonely and isolated, depressed young woman scrolling social media while sitting on sofa at home. Internet use and depression, gadgets and mental health — see more

Sad upset redhead teen girl holding smartphone looking at device screen feeling lonely and isolated, depressed young woman scrolling social media while sitting on sofa at home. Internet use and depression, gadgets and mental health