it is. just read the article and following study. it not only described dose and duration was directly relevant it goes onto tell on itself how they didnt take any effort to also study lifestyle habits let alone acknowledging the known link between smoking and clots while on hrt which has been already an established for decades.
they also footnoted it with "this is purely observational".
it reads like someone clumsily misused an AI prompt and slapped a 'study' label on it.