Which of the statements is true about social media use and mental health?

Heavy Instagram users consistently report having larger in-person social networks than non-users.

Increased depressive symptoms among heavy social media users are often explained by upward social comparison.

Frequent users of social networking sites always experience a boost in social support, leading to a better mental state.

Users who post daily on social platforms are usually overwhelmed by the pressure to maintain a perfect online image, leading to greater stress.