Family history of tobacco use and use of e-cigarettes have both been associated with increased tobacco use among young adults.However, to our knowledge, these variables have not been considered simultaneously.This study was designed to evaluate the hypothesis that family history of tobacco use would predict tobacco product use over time among young
Background: In comparison with other study designs, randomised trials are regarded as particularly likely to benefit from patient and public involvement (PPI).Using mixed-methods research we investigated PPI from the perspectives of researchers and PPI Tinted Eyebrow contributors.Methods: Randomised trials in receipt of funding from the Health Tech
Terrestrialization, the evolution of non-aquatic oviposition, and miniaturization, the evolution of tiny adult body size, are recurring trends in amphibian evolution, but the relationships among the traits that characterize these phenomena are not well understood.Furthermore, these traits have been identified as possible "key innovations" that are