Early antibiotic exposure and risk of psychiatric and neurocognitive outcomes: systematic review and meta-analysis.

Background: The prenatal and early-life periods pose a crucial neurodevelopmental window whereby disruptions to the intestinal microbiota and the developing brain may have adverse impacts. As antibiotics affect the human intestinal microbiome, it follows that early-life antibiotic exposure may be associated with later-life psychiatric or neurocognitive outcomes.

Aims: To explore the association between early-life (in utero and early childhood (age 0-2 years)) antibiotic exposure and the subsequent risk of psychiatric and neurocognitive outcomes.

Does baseline psychiatric symptom severity predict well-being improvement in low-intensity mindfulness interventions?

Regardless of baseline psychiatric symptom severity, individuals can improve from psychotherapy, including from low-intensity psychosocial treatments. We conducted a secondary analysis of a randomized trial of low-intensity mindfulness interventions to explore if and how specific indices of baseline symptom severity were associated with well-being trajectories during treatment and follow-up. In the original study, participants ( = 4, 411) with physical and mental health conditions were randomly assigned to one of two low-intensity mindfulness interventions (eight-session mindfulness-based cognitive therapy or a three-session mindfulness intervention).

Understanding the relationship between childhood abuse and affective symptoms in bipolar disorder: New insights from a network analysis.

The impact of childhood abuse on the presentation of bipolar disorder could be further elucidated by comparing the networks of affective symptoms among individuals with and with no history of childhood abuse. Data from 476 participants in the Clinical Health Outcomes Initiative in Comparative Effectiveness for Bipolar Disorder study were used to fit several regularised Gaussian Graphical Models. Differences in the presentation of depressive and manic symptoms were uncovered: only among participants with a history of childhood abuse, inadequacy and pessimism were central symptoms in the network of depressive symptoms, while racing thoughts was an important symptom in the network of manic symptoms.