In this case I assume the BMJ article was peer reviewed, so it was already fact-checked by knowledgeable individuals. BMJ is a reputable journal that can be rel

In this case I assume the BMJ article was peer reviewed, so it was already fact-checked by knowledgeable individuals. BMJ is a reputable journal that can be relied to fact-check their articles. The fact that it was labeled a newsblog means that the fact-checkers really had no domain knowledge about the facts they were supposed to check.