Background And Aims: The complexity of fossil forest ecosystems is difficult to reconstruct due to the fragmentary nature of the fossil record. However, detailed morpho-anatomical studies of well-preserved individual fossils can provide key information on tree growth and ecology, including in biomes with no modern analog such as the lush forests that developed in the polar regions during past greenhouse climatic episodes.
Methods: We describe an unusual-looking stem from Middle Triassic (ca 240 Ma) deposits of Antarctica with over 100 very narrow growth-rings and conspicuous persistent vascular traces through the wood.
Background: Refugees often report high levels of psychological distress due to traumatic experiences before and during flight as well as many post-migration stressors. Refugees with hazardous substance use or existing substance use disorder (SUD) are a particularly vulnerable group for whom few preventive and therapeutic measures are available. The aim of this study is to investigate the effectiveness of an integrative culturally sensitive group therapy approach (STARC-SUD) to improve affect regulation in refugees with substance-related problems.
View Article and Find Full Text PDFBackground: Research has described subtypes with more internalizing and more externalizing symptoms in samples of patients with post-traumatic stress disorder (PTSD) and samples of patients with substance use disorders (SUD).
Objective: This study sought to examine the respective subtypes in female PTSD-SUD patients and potential relationships with substance use characteristics.
Methods: We performed a latent class analysis (LCA) in 343 adult female participants of a multisite therapy trial on PTSD and SUD.