Latest research

  1. Article

    Acute effects of nitrogen dioxide pollution on outpatient visits for mental and behavioral disorders: a time-series study of over 10 years in Xinxiang, China

    • Houyu Zhuang
    • Ziyang Ji
    • Wenjie Ren

    Mental and behavioral disorders (MBDs) represent a significant global health challenge. Nitrogen dioxide (NO2), a prevalent urban air pollutant with potential neurotoxicity, has been studied for its acute effects on MBDs. However, existing evidence...

    01 October 2026
  2. Article

    The proposed barrier dysfunction axis in psychiatric disorders: a systematic review and meta-analysis of circulating zonulin and claudin-5

    • Oguzhan Kılınçel
    • Furkan Bulut
    • Şenay Kılınçel

    Background Emerging evidence suggests that disruption of the gut–brain axis, particularly involving intestinal permeability and blood–brain barrier (BBB) integrity, may play a critical role in the pathophysiology of psychiatric disorders. However,...

    29 September 2026 Open access
  3. Article

    Psychological distress and COVID-19 pandemic-associated mental healthcare barriers among transgender and nonbinary adults with disabilities in the United States and Puerto Rico

    • Ceza Pontes
    • Padmashri Saravanan
    • Andrea L. Wirtz

    Background Transgender and nonbinary (TNB) communities were disproportionately affected by the COVID-19 pandemic, experience significant mental health inequities, and are more likely to have disabilities than cisgender people. This study assessed how...

    26 September 2026 Open access
View all research