JAMA Internal Medicine: Skin Health Behaviors Topic Collection http://archinte.jamanetwork.com/ en-us Thu, 01 Nov 2012 00:00:00 GMT Tue, 01 Jan 2013 00:52:00 GMT Silverchair editor@archinte.jamanetwork.com webmaster@archinte.jamanetwork.com Sun Exposure May Confound Physical Activity–Prostate Cancer Association http://archinte.jamanetwork.com/article.aspx?articleID=626289 Mon, 28 Nov 2005 00:00:00 GMT Aydin Z. <span class="paragraphSection">Giovannucci et al found a lower risk of advanced and fatal prostate cancer in men 65 years and older, who are in the highest category of vigorous physical activity in the Health Professionals Follow-up Study after adjusting for a large number of covariates. The authors mention a risk reduction of 3 to 4 fold and suggest that a putative uncontrolled confounding factor would have to be strongly related to both high levels of physical activity and a substantially reduced risk of advanced prostate cancer.</span> 165 21 2538 2539 10.1001/archinte.165.21.2538-c http://archinte.jamanetwork.com/article.aspx?articleID=626289 Sun Exposure May Confound Physical Activity–Prostate Cancer Association—Reply http://archinte.jamanetwork.com/article.aspx?articleID=626292 Mon, 28 Nov 2005 00:00:00 GMT Giovannucci E. <span class="paragraphSection"><strong>In reply</strong></span> 165 21 2539 2540 10.1001/archinte.165.21.2539 http://archinte.jamanetwork.com/article.aspx?articleID=626292