环境PM2.5成分与印度成年人抑郁和焦虑之间的差异关联
Payel Kundu1, Anand Krishnan2, Santu Ghosh3
1School of Interdisciplinary Research, Indian Institute of Technology Delhi, New Delhi, India.
iScience
|February 20, 2026
概括
暴露于细颗粒物 (PM2.5) 成分与印度的抑郁和焦虑症增加有关. 气溶等特定成分的影响比总PM2.5质量强,这表明需要有针对性的污染控制.
科学领域:
- 环境健康 环境健康
- 精神病学是一个精神病学.
- 流行病学 流行病学
背景情况:
- 环境细颗粒物 (PM2.5) 暴露是精神疾病的已知风险因素.
- 尚不清楚PM2.5的特定化学成分及其对心理健康的不同影响,特别是在低收入和中等收入国家.
研究的目的:
- 调查各种PM2.5化学成分与印度成年人抑郁和焦虑的流行之间的联系.
- 确定PM2.5组件的累积效应与PM2.5总质量对心理健康结果的影响是否不同.
主要方法:
- 利用来自全国心理健康调查 (2015-16) 的数据,涉及34,802名印度成年人.
- 综合卫星数据和化学运输建模,以对参与者的住所进行1公里的分辨率估计一年PM2.5成分暴露.
- 采用后勤混合效应回归模型来分析PM2.5组件与精神障碍之间的关联.
主要成果:
- PM2.5的四分位数间范围增加与抑郁症的几率增加8%和焦虑症的几率增加2%有关.
- 与其他PM2.5成分相比,二次无机气溶和碳酸气溶与精神障碍的关联更强.
- PM2.5成分对心理健康的综合影响大于PM2.5总质量的影响.
结论:
- 调查结果强调,特定的PM2.5成分,特别是气溶,对印度人口的抑郁和焦虑作出了重大贡献.
- 仅依靠总PM2.5质量进行风险评估,就低估了心理健康负担.
- 支持实施有针对性的排放控制战略,重点关注最有毒的PM2.5物种,以提高公共卫生效益.
相关概念视频
Depression: Overview
1.2K
Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...
1.2K
Anxiety: Overview
1.3K
Anxiety is a common mental disorder featuring excessive worry, fear, and apprehension, significantly affecting daily life. People with anxiety disorders experience persistent and intense anxiety, interrupting their everyday functioning.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
1.3K
Stress and Mental Health
1.7K
Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
Individuals with depression often experience challenges in both their personal and professional...
1.7K
Panic Disorder
1.2K
Panic disorder is an anxiety disorder characterized by recurrent and sudden minutes-long episodes of intense fear, known as panic attacks. These attacks may feel like heart attacks and often happen without warning or a specific cause. They can include symptoms such as rapid heart rate, shortness of breath, chest pain, trembling, sweating, dizziness, and a sense of helplessness. During a panic attack, individuals may feel as though they are experiencing a heart attack or are in a...
1.2K
Depressive Disorders: MDD and Dysthymia
1.3K
Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...
1.3K
Depressive Disorders: Etiology
884
Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
884


