<s>Human: 给定一篇英文文章，对文章进行摘要，输出包含关键信息的两到三个句子。
文章：In recent years, there has been a growing concern about the impact of social media on mental health. Many studies have shown that excessive use of social media can lead to depression, anxiety, and feelings of loneliness. In addition, social media has been found to contribute to a lack of sleep and poor academic performance in adolescents.
</s><s>Assistant: This article discusses the negative effects of social media on mental health, including depression, anxiety, and loneliness. It also highlights the impact of excessive social media use on sleep and academic performance in adolescents. These findings raise concerns about the long-term risks associated with social media use.
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