> The author goes to great pains to use words other than cause: "connection" "link" etc.
From the article:
> The cumulative evidence was enough for the venerable New England Journal of Medicine to publish an editorial in January recommending that “new gas appliances be removed from the market.” It was co-authored by Howard Frumkin, a former director of the CDC’s National Center for Environmental Health, which is responsible for investigating environmental drivers of illness and promulgating guidance about those risk factors.
From the article:
> The cumulative evidence was enough for the venerable New England Journal of Medicine to publish an editorial in January recommending that “new gas appliances be removed from the market.” It was co-authored by Howard Frumkin, a former director of the CDC’s National Center for Environmental Health, which is responsible for investigating environmental drivers of illness and promulgating guidance about those risk factors.