Background: Prediction of a technically difficult colonoscopy may influence patient selection
and procedure scheduling. Identification of predictive factors may be difficult because a …

Although e-cigarette use among US youth decreased in 2016 for the first time since 2011, 1
2 with the introduction of the new generation of nicotine vapourisers,‘pods,’this trend may not …

OBJECTIVE: The aim of this study was to determine whether anatomic factors such as body
mass index (BMI) impacts the success rate of cecal intubation during colonoscopy. …

Background Although epidemiologic studies have shown associations between sedentary
behavior and mortality, few have focused on older women with adequate minority …

The evidence linking cigarette smoking to the risk of colorectal cancer is inconsistent. We
investigated the associations between active and passive smoking and colorectal cancer …

Background: The use of high-nicotine content e-cigarettes (so-called pods, such as Juul)
among adolescents raises concerns about early onset of nicotine addiction. Methods: In this …

Objectives. We examined whether neighborhood socioeconomic status (NSES) is associated
with cognitive functioning in older US women and whether this relationship is explained by …

Purpose Little is known about the risk factors for triple-negative breast cancer (TNBC),
which has a worse prognosis compared to hormone receptor-positive breast cancer. We …

BACKGROUND: Surveys have been instrumental in describing adolescent use of tobacco,
electronic cigarettes (e-cigarettes), and marijuana. However, objective biomarker data are …

… Correspondence concerning this article should be addressed to Catherine R. Messina,
Department of Preventive Medicine, HSC-L3, Stony Brook University, Stony Brook, NY 11794-…