I’m guessing that you know this, but: Don’t believe everything you read on-line.
Much of it is fake news, stories that are mostly hype or click-bait, designed to get you to click and share without thinking very hard.
The internet spreads information instantaneously.
People see something that shocks or frightens them, or pushes their buttons, or even something that supports their biases or prejudices, and they quickly re-post the story without checking its veracity first. This encourages the spread of fake news.
When you see a story that raises your blood pressure,
Where can you do this?
The internet has a number of sites dedicated to fact checking news stories. You can even request a fact-check yourself.
For upper-level English students, here is an article: “How to Spot Fake News.”
And here is a game that tests your ability to spot fake news: Test Your Fake New Judgment