Don't worry, if you read even the just article he linked, you'll realize that the quote he pulled is out of a list of multiple reasons their metastudy did not c

Don't worry, if you read even the just article he linked, you'll realize that the quote he pulled is out of a list of multiple reasons their metastudy did not come up with conclusive results. There's a list of possibilities, and there not being a correlation is a possibility, but due to the nature of metastudies, they are not willing to make that statement.