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OBJECTIVE To test the hypothesis that greater exposure to smoking in films is associated with trying smoking among adolescents. DESIGN Cross sectional survey of 4919 schoolchildren aged 9-15 years, and assessment of occurrence of smoking in 601 films. SETTING Randomly selected middle schools in Vermont and New Hampshire, USA. MAIN OUTCOME MEASURE(More)
Abstract We measured the surEdce area of the cerebral cortex and its gross morphological subdivisions in 10 pairs of monozygotic twins. Cortical surface area was estimated in vivo using magnetic resonance imaging and threedimensional computer models of the intra- and extrasulcal pial surface. The means and standard deviations of regional (e.g., gyral),(More)
BACKGROUND Social cognitive theory posits that children develop intentions and positive expectations (utilities) about smoking prior to initiation. These attitudes and values result, in part, from observing others modeling the behavior. This study examines, for the first time, the association between viewing tobacco use in movies and attitudes toward(More)
Adjuvant chemotherapy can produce mild cognitive decline among breast cancer survivors which adversely effects function and quality of life. However, no treatment to date has been proposed or developed for this problem despite large numbers of cancer patients who report post-treatment memory dysfunction. This paper presents data from a single arm pilot(More)
PURPOSE The primary purpose of this study was to compare the neuropsychological performance of long-term survivors of breast cancer and lymphoma treated with standard dose chemotherapy who carried the epsilon 4 allele of the Apolipoprotein E (APOE) gene to those who carry other APOE alleles. PATIENTS AND METHODS Long-term survivors (mean=8.8+/-4.3 years(More)
XRCC1, a protein directly involved in the repair of DNA base damage, contains at least three common polymorphisms. One of these, the codon 399 arg-->gln variant, has been associated with several cancer-related biomarkers, suggesting it may have functional significance in exposure-induced cancers. However, results from case-control studies have yielded(More)
Non-melanoma skin cancer (NMSC) is an important cause of morbidity and long-term mortality in organ transplant recipients receiving immunosuppressive drugs such as azathioprine and cyclosporin, often combined with adrenocortical steroids (glucocorticoids). At lower doses, glucocorticoids alone are prescribed for other conditions including musculoskeletal,(More)
BACKGROUND Randomized controlled trials testing the association between vitamin D status and upper respiratory tract infection (URTI) have given mixed results. During a multicenter, randomized controlled trial of colorectal adenoma chemoprevention, we tested whether 1000 IU/day vitamin D(3) supplementation reduced winter episodes and duration of URTI and(More)