The dangers of sketchy sourcing: Another. And this. And last week.
Pick any three of the following sources and evaluate its credibility. How much do you trust the source? Why? In some cases you might want to research the publication as well as the information itself. (No need to read everything at each link--that'd be impossible, in some cases, given the length.)
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(Also, here's a guide to evaluating the info you find online. You can also check Snopes or Politifact.)