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A multicenter study of nearly 11,500 US mothers finds a link between more COVID-19 pandemic-related hardships, coping mechanisms, and behavior changes and greater traumatic stress. (Van Beusekom, 12/16)

Eating disorder visits and mood disorder visits significantly increased, whereas alcohol and substance use disorder visits significantly decreased during the pandemic period among pediatric patients, highlighting the need to identify and manage mental health conditions in the pediatric primary care setting. (Gould et al, 12/1)

A new study shows that aerosols in indoor air can vary in acidity. This acidity determines how long viruses remain infectious in the air -- with profound implications for virus transmission and strategies to contain it. (ETH Zurich, 12/21)

Researchers using experimental animal models of IBD found that continual exposure to Allura Red AC harms gut health and promotes inflammation. The dye directly disrupts gut barrier function and increases the production of serotonin, a hormone/neurotransmitter found in the gut, which subsequently alters gut microbiota composition leading to increased susceptibility to colitis. The study suggests a link between a commonly used food dye and IBDs and warrants further exploration between food dyes and IBDs at experimental, epidemiological and clinical levels. (McMaster University, 12/20)