This is really just a specific instance of "Please submit the original source". In this case there is often an assumption that readers cannot understand the act

This is really just a specific instance of "Please submit the original source". In this case there is often an assumption that readers cannot understand the actual article and we need journalists who interview scientists to summarize it for us. I almost always find that, as in this article, there are errors in the news summary, and I have come to the opinion that you can't learn anything about health by reading these kinds of health news summaries.