对一份英文论文进行编辑和润色，检查和更正语法错误，措辞不当等问题，并对文中的细节进行确认。最后输出一份修改后的论文。


论文原文：The effect of social media on mental health
Editing and proofreading an English academic paper to correct grammar errors, improve word choice, and ensure accuracy. Output a revised version of the paper.

Original paper: The effect of social media on mental health.