am I wrong or is this a really huge leap from correlation to causation? why isn't it that people who spend all day on social media get less sunlight and exerci

am I wrong or is this a really huge leap from correlation to causation? why isn't it that people who spend all day on social media get less sunlight and exercise therefore have more inflammation? OK well they said this, sure: > “For some people the relationship between social media use and inflammation may be a positive feedback loop, a cycle where more social media use leads to more inflammation, and more inflammation then leads to more social media use,” he says.