Summarize the key points made by the author in 10-15 words.
Excessive internet usage has been linked to various negative outcomes, such as depression and poor academic performance.
Excessive internet use linked to negative outcomes like depression, poor academic performance.
Complete the following task based on the instruction and optional input provided.### Instruction:
Summarize the key points made by the author in 10-15 words.

### Input:
Excessive internet usage has been linked to various negative outcomes, such as depression and poor academic performance.

### Output:
Excessive internet use linked to negative outcomes like depression, poor academic performance.