Background-Individuals with generalized social anxiety disorder (GSAD) exhibit exaggerated amygdala reactivity to aversive social stimuli. These findings could be explained by microstructural abnormalities in white matter (WM) tracts that connect the amygdala and prefrontal cortex, which is known to modulate the amygdala's response to threat. The goal of this study was to investigate brain frontal WM abnormalities by using diffusion tensor imaging (DTI) in patients with social anxiety disorder.
Child undernutrition refers broadly to the condition in which food intake is inadequate to meet a child's needs for physiological function, growth, and the capacity to respond to illness. Since the 1970s, nutritionists have categorised undernutrition in two major ways, either as wasted (i.e., low weight for height, or small mid-upper arm circumference) or stunted (i.e., low height for age). This approach, although useful for identifying populations at risk of undernutrition, creates several problems: the focus is on children who have already become undernourished, and this approach draws an artificial distinction between two idealised types of undernourished children that are widely interpreted as indicative of either acute or chronic undernutrition. This distinction in turn has led to the separation of programmatic approaches to prevent and treat child undernutrition. In the past 3 years, research has shown that individual children are at risk of both conditions, might be born with both, pass from one state to the other over time, and accumulate risks to their health and life through their combined effects. The current emphasis on identifying children who are already wasted or stunted detracts attention from the larger number of children undergoing the process of becoming undernourished. We call for a major shift in thinking regarding how we assess child undernutrition, and how prevention and treatment programmes can best address the diverse causes and dynamic biological processes that underlie undernutrition. The problem framed Child undernutrition refers broadly to the condition in which food intake does not meet the needs of physiological function, growth, and the capacity to respond to illness. Despite substantial progress in preventing and treating child undernutrition in the past three decades, approximately 5 million annual deaths in children younger than 5 years occur worldwide, 1 of which nutrition-associated factors still account for almost half of these deaths. 2 In the longer term, child undernutrition is associated with adverse effects on health and human capital. 3 The overarching strategy to address these issues is to bring together nutrition-specific interventions, targeting both mothers and their offspring in populations at risk, with nutrition-sensitive approaches that address broader underlying factors such as women's empowerment, food systems, socioeconomic factors, and disease prevention. 4 These efforts are central to Sustainable Development Goal 2.2, which aims to end all forms of malnutrition by 2030, and to reach internationally agreed targets on stunting and wasting in children under 5 years by 2025. 5 Our focus in this Viewpoint is on how the efforts to meet this goal are shaped by the way that agencies conceptualise undernutrition at the level of the individual child.
Background Irritable bowel syndrome (IBS) imposes significant clinical and economic burdens. We aimed to characterize patterns of practice for patients with IBS who were members of a large health maintenance organization, analyzing point of diagnosis, testing, comorbidities and treatment. Methods Members of Kaiser Permanente Northern California who were diagnosed with IBS were matched to controls by age, sex, and period of enrollment. We compared rates of testing, comorbidities and interventions. Results From 1995 to 2005, IBS was diagnosed in 141,295 patients (mean age 46, SD 17 years; 74% female). Internists made 68% of diagnoses, gastroenterologists 13%, and others 19%. Lower endoscopy did not usually precede IBS diagnosis. Patients with IBS were more likely than controls to have blood, stool, endoscopic and radiologic tests, and to undergo abdominal or pelvic operations (ORs 1.5–10.7, all P<0.0001). Only 2.7% were tested for celiac disease and only 1.8% were eventually diagnosed with inflammatory bowel disease. Chronic pain syndromes, anxiety and depression were more common among IBS patients than controls (ORs 2.7–4.6, all P<0.0001). Many patients with IBS were treated with anxiolytics (61%) and antidepressants (55%). Endoscopic and radiologic testing were most strongly associated with having IBS diagnosed by a gastroenterologist. Psychotropic medication use was most strongly associated with female sex. Conclusions In a large, managed care cohort, most diagnoses of IBS were made by generalists, often without endoscopic evaluation. Patients with IBS had consistently higher rates of testing, chronic pain syndromes, psychiatric comorbidity and operations than controls. Most patients with IBS were treated with psychiatric medications.
These results demonstrate that hygiene practices and livestock water management are correlated with acute malnutrition in Sila, Chad. These findings provide a hypothesis for a possible pathogen driving acute malnutrition rates- Cryptosporidium-as part of a complex water chain, whereby the source of infection may be mitigated by hygiene behaviors with important implications for humanitarian programs.
In 2010 Pakistan experienced the worst floods recorded in its history; millions of people were affected and thousands lost their lives. Nutrition assessment surveys led by UNICEF were conducted in flood‐affected areas of Punjab and Sindh provinces to assess the nutrition status of children between 6–59 months while Aga Khan University (AKU) undertook a parallel assessment including micronutrient status in their project areas within Balochistan, Sindh and Punjab. Standardised Monitoring and Assessment of Relief and Transition (SMART) methodology was used. 881 children from Sindh, 1,143 from Punjab and 817 from AKU project areas were measured for anthropometry and their households were interviewed. The findings indicated that while immediate life‐saving interventions were essential, there was also an urgent need to address chronic malnutrition. Through high‐level dissemination of the survey results, treatment and prevention of malnutrition has become a priority for the provincial and federal government in Pakistan and for donors.
Background and ObjectivesFollowing the 2010 earthquake in Haiti, infant and young child feeding was identified as a priority nutrition intervention. A new approach to support breastfeeding mothers and distribute ready-to-use infant formula (RUIF) to infants unable to breastfeed was established. The objective of the evaluation was to assess the implementation of infant feeding programs using RUIF in displaced persons camps in Port-au-Prince, Haiti during the humanitarian response.MethodsA retrospective record review was conducted from April–July, 2010 to obtain data on infants receiving RUIF in 30 baby tents. A standardized data collection form was created based on data collected across baby tents and included: basic demographics, admission criteria, primary caretaker, feeding practices, and admission and follow-up anthropometrics.Main FindingsOrphans and abandoned infants were the most frequent enrollees (41%) in the program. While the program targeted these groups, it is unlikely that this is a true reflection of population demographics. Despite programmatic guidance, admission criteria were not consistently applied across programs. Thirty-four percent of infants were undernourished (weight for age Z score <−2) at the time of admission. Defaulting accounted for 50% of all program exits and there was no follow-up of these children. Low data quality was a significant barrier.ConclusionsThe design, implementation and magnitude of the ‘baby tents’ using RUIF was novel in response to infant and young child feeding (IYCF) in emergencies and presented multiple challenges that should not be overlooked, including adherence to protocols and the adaption of emergency programs to existing programs. The implementation of IYCF programs should be closely monitored to ensure that they achieve the objectives set by the humanitarian community and national government. IYCF is an often overlooked component of emergency preparedness; however to improve response, generic protocols and pre-emergency training and preparedness should be established for humanitarian agencies.
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