{"id":424,"date":"2013-06-10T11:50:45","date_gmt":"2013-06-10T18:50:45","guid":{"rendered":"https:\/\/phcprimarycare.org\/?p=424"},"modified":"2014-02-19T12:46:13","modified_gmt":"2014-02-19T20:46:13","slug":"sunburn-is-very-becoming-but-only-when-it-is-even-one-must-be-careful-not-to-look-like-a-mixed-grill-noel-coward","status":"publish","type":"post","link":"https:\/\/phcprimarycare.org\/?p=424","title":{"rendered":"\u201cSunburn is very becoming, but only when it is even \u2013 one must be careful not to look like a mixed grill\u201d &#8212; Noel Coward"},"content":{"rendered":"<p>Sunscreen. Antioxidants. Much is touted about their ability to prevent skin aging. Well, in the sunny environs of Australia and New Zealand (at latitude 26<sup>o <\/sup>S \u2013 about the same distance from the equator as Corpus Christi, Texas), a clever study may <!--more-->shed some shade on the matter. Investigators followed 903 adults, younger than age 55, from 1992 to 1996, randomized to one of four skin care regimens consisting of:<\/p>\n<ul>\n<li>Daily use of a broad spectrum sunscreen and 30 mg of beta-carotene<\/li>\n<li>Daily use of a broad spectrum sunscreen and placebo<\/li>\n<li>Discretionary use of a broad spectrum sunscreen and 30 mg of beta-carotene<\/li>\n<li>Discretionary use of a broad spectrum sunscreen and\u00a0 placebo<\/li>\n<\/ul>\n<p>Comparisons in skin changes based on microtopography (sounds like small maps or something) were graded by assessors blinded to treatment allocation.<\/p>\n<p>The daily sunscreen groups showed no detectable increase in skin aging after 4.5 years. Skin aging from baseline to the end of the trial was 24% less in the daily sunscreen group than in the discretionary sunscreen group (OR 0.76 [95% CI, 0.59 to .98]).<\/p>\n<p>Beta-carotene supplementation had no overall effect on skin aging.<\/p>\n<p>Fine wrinkles in the study were that it was limited by some missing data and had only a moderate power to detect moderate treatment effects and further study was stated to be required.<\/p>\n<p>What with summer coming \u2013 all you middle-aged doctors and other clinicians \u2013 what are you going to do?<\/p>\n<p>Marshall Kubota, MD<\/p>\n<p>Maria Celia B. Hughes, MMedSci; Gail M. Williams, PhD; Peter Baker, PhD; and Ad\u00e8le C. Green, MBBS, PhD, &#8220;Sunscreen and Prevention of Skin Aging: A Randomized Trial,&#8221; <em>Ann Intern Med<\/em><em>. <\/em>2013;158(11):781-790. doi:10.7326\/0003-4819-158-11-201306040-00002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sunscreen. Antioxidants. Much is touted about their ability to prevent skin aging. Well, in the sunny environs of Australia and New Zealand (at latitude 26o S \u2013 about the same distance from the equator as Corpus Christi, Texas), a clever &hellip; <a href=\"https:\/\/phcprimarycare.org\/?p=424\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,13],"tags":[],"class_list":["post-424","post","type-post","status-publish","format-standard","hentry","category-medical-practice","category-prevention"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/phcprimarycare.org\/index.php?rest_route=\/wp\/v2\/posts\/424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phcprimarycare.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phcprimarycare.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phcprimarycare.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/phcprimarycare.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=424"}],"version-history":[{"count":4,"href":"https:\/\/phcprimarycare.org\/index.php?rest_route=\/wp\/v2\/posts\/424\/revisions"}],"predecessor-version":[{"id":780,"href":"https:\/\/phcprimarycare.org\/index.php?rest_route=\/wp\/v2\/posts\/424\/revisions\/780"}],"wp:attachment":[{"href":"https:\/\/phcprimarycare.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phcprimarycare.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phcprimarycare.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}