An article on the Knight Science Journalism Tracker comments on German media coverage of the “Is there male menopause?” question. An excerpt:
One study, but very different types of headlines: “‘Male Menopause’ discovered” and “Men have no Menopause.” Both types of headlines are based on one study published in the New England Journal of Medicine, which analyzed 3219 European males between 40 and 79. Blood samples provided testosterone levels and questionnaires (!) asked about the “general, sexual, physical, and psychological health.”
What the scientists found was nothing more and nothing less than a correlation between a low testosterone level and three clinical symptoms (“decreased frequency of morning erection, decreased frequency of sexual thoughts, and erectile dysfunction”). So, one could call it an age-related testosterone deficiency, affecting only a minority (about 2%) of elderly men.
But one shouldn’t name it “andropause” or “male menopause” — and the scientists themselves did NOT use the term in the whole article — because this term immediately suggests a relation to menopause, which is a completely different and natural developmental phenomenon for every woman above the age of 50.Read more »
“Short people have higher heart risk” screams the headline on CNN.com, treating it as a statement of fact. “Shortness Boosts Heart Disease, Death Risk” is the headline in a HealthDay story seen on BusinessWeek.com.
Wrong.
Such a study as the one being described can only establish association — it CANNOT prove causation. So it’s wrong to say short people have higher risk. It is wrong to say shortness boosts risk.
Blogger and cardiac electrophysiologist Dr. Wes Fisher beat me to the punch by blogging about the continued journalistic confusion between association and causation. He wrote:
“About the only thing that can be concluded from this so-called “analysis” is nothing more than maybe we should consider studying if this association actually exists.”
Tell ’em, Dr. Wes. And tell ’em, Randy: “Short people got no reason” to worry — at least not yet — from this study.
A couple of health journalism gems you shouldn’t miss just because they were published over the holiday weekend:
Natasha Singer of the New York Times had an important piece, “When Patients Meet Online, Are There Side Effects?,” about privacy concerns when social networking sites like CureTogether.com and PatientsLikeMe.com offer online communities for patients and collect members’ health data for research purposes.
John Fauber of the Milwaukee Journal-Sentinelpublished another in his “Side Effects” series on conflicts of interest in healthcare. This one was about doctors vouching for the drug Multaq for treating atrial fibrillation without ever having seen all of the data.
The Minneapolis Star Tribune began a “Too Much Medicine” series. Health editor Dave Hage informs that they’ve been working on this project for nearly a year with plans for a few more installments in coming months, each covering different ailments and procedures that are over-used or under-proven. (Unfortunately, I think the series is only available in the print editions.)
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