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this post was submitted on 30 Aug 2023
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Or depressed people smoke a lot...
That's what they were trying to filter out. It says that majority of the people in the study started smoking before the age of 20 and started having mental problems after the age of 30. Teenagers' brains are not fully developed yet, so it is possible that nicotine interferes with healthy development.
The most interesting thing for me was that the article mentioned there were smoking-related genes. I didn't know that.