Richard Lehman’s journal review—26 November 2012

JAMA  21 Nov 2012  Vol 308 OPERA is the quintessential Italian art-form: devised as a return to the classical past, it is a brilliant transitory display of music, costume, and painted stage sets; an escape to a heightened form of existence and emotion. Palpitations are to be found everywhere: in fact the aria Di tanti […]

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Richard Lehman’s journal review—12 November 2012

JAMA  7 Nov 2012  Vol 308 1747   Big trials: don’t you love ‘em? James Penston doesn’t, arguing in his book stats.con (2010) that we have been duped into adopting interventions with small but statistically significant effect sizes that merely prove that most people receiving the treatments derive no benefit from them. And this is true: […]

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Richard Lehman’s journal review—5 November 2012

NEJM  1 Nov 2012  Vol 367 1677    Cancer screening campaigns—getting past uninformative persuasion is a topical subject on both sides of the Atlantic. Nobody writes better about it than Steven Woloshin and Lisa Schwarz, and in this Perspective piece they join forces with two colleagues to point the way forward. All past and many present […]

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Richard Lehman’s journal review—29 October 2012

JAMA 24-31 Oct 2012 Vol 308 1660 Medicine is full of surprises, but sometimes things are just the way you thought they were. Back in 1973, I was taught that the causes of peripheral arterial disease in men were smoking, diabetes, hypertension and high cholesterol. Then in 1986, the Health Professionals Follow-up Study recruited 44 […]

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Richard Lehman’s journal review—22 October 2012

JAMA  17 Oct 2012  Vol 308 1545   “Between 1988 and 2010, favorable trends in lipid levels have occurred among adults in the United States.” That may seem pretty amazing, but there is a lot we don’t understand about these things. Remember that cardiovascular disease is also falling steeply, even as the population gets more obese. […]

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Richard Lehman’s journal review—15 October 2012

JAMA  10 Oct 2012  Vol 308 1433   A Viewpoint piece by three Dutch radiologists explores the possible added benefits that could arise if developed countries introduced lung cancer screening using computed tomography (CT) in high risk groups. You will remember that the National Lung Screening Trial (NLST) demonstrated a reduction in lung cancer–specific mortality of […]

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Richard Lehman’s journal review—8 October 2012

JAMA  3 Oct 2012  Vol 308 1333    Can vitamin D prevent the common cold? The answer is almost certainly yes, depending on baseline levels. If you run a trial in a place where the sun shines, good dairy products are abundant, and the ocean teems with oily fish, you might get a negative result. Such […]

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