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The amount of cancer-related information available in the media and other sources continues to increase each year. We wondered how people make use of such content in making specific health decisions. We studied both the information they actively seek ("seeking") and that which they encounter in a less purposive way ("scanning") through a nationally(More)
Saquinavir, a peptidomimetic HIV protease inhibitor, has been shown to be effective in reducing patient viral load and reducing mortality. In this report we investigated whether saquinavir is a substrate for the multidrug resistance transporter P-glycoprotein (P-gp), which may reduce the effective intracellular concentration of the drug. G185 cells, which(More)
BACKGROUND Electronic cigarettes (e-cigarettes) are growing in popularity, but little is known about the extent to which these products are advertised to consumers. PURPOSE To estimate expenditures for e-cigarette advertising in magazines, TV, the Internet, newspapers, and radio in the U.S. from 2011 to 2012. METHODS E-cigarette advertising data were(More)
BACKGROUND AND OBJECTIVE Currently, the US Food and Drug Administration does not regulate electronic cigarette (e-cigarette) marketing unless it is advertised as a smoking cessation aid. To date, the extent to which youth and young adults are exposed to e-cigarette television advertisements is unknown. The objective of this study was to analyze trends in(More)
OBJECTIVE To assess whether crowdsourcing is a viable option for conducting surveillance of point of sale (POS) tobacco marketing practices. METHODS We posted jobs to an online crowdsourcing platform to audit 194 Florida licensed tobacco retailers over a 3-week period. During the same period, trained data collectors conducted audits at the same retail(More)
BACKGROUND On November 16, 2009, the U.S. Preventive Services Task Force (USPSTF) released new breast cancer screening recommendations, resulting in considerable controversy. PURPOSE The purpose of this investigation was to assess the volume and framing of the public discourse around the mammography recommendations and determine if women were(More)
OBJECTIVE Noncigarette tobacco products are increasingly popular. Researchers need to understand multiple tobacco product use to assess the effects of these products on population health. We estimate national prevalence and examine risk factors for multiple product use. METHOD We calculated prevalence estimates of current use patterns involving(More)
Twitter is an online microblogging tool that disseminates more than 400 million messages per day, including vast amounts of health information. Twitter represents an important data source for the cancer prevention and control community. This paper introduces investigators in cancer research to the logistics of Twitter analysis. It explores methodological(More)
OBJECTIVES We tested the impact of banning tobacco displays and posting graphic health warning signs at the point of sale (POS). METHODS We designed 3 variations of the tobacco product display (open, enclosed [not visible], enclosed with pro-tobacco ads) and 2 variations of the warning sign (present vs absent) with virtual store software. In December 2011(More)