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Related Concept Videos

Stress and Mental Health01:30

Stress and Mental Health

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...
Anxiety: Overview01:18

Anxiety: Overview

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.
Generalized Anxiety Disorder01:30

Generalized Anxiety Disorder

Generalized Anxiety Disorder (GAD) is a chronic condition characterized by excessive and uncontrollable worry that persists for at least six months, significantly interfering with daily functioning. Unlike situational anxiety, which arises in response to specific stressors, GAD often occurs without a clear cause. Individuals may experience disproportionate worry about work, health, or relationships. For instance, a person might continuously fear poor health despite normal medical evaluations or...
Asthma I: Introduction01:28

Asthma I: Introduction

Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
Inflammation01:38

Inflammation

Overview
Anxiolytic Drugs: Overview01:26

Anxiolytic Drugs: Overview

Anxiolytic drugs are vital in managing anxiety disorders by effectively alleviating symptoms such as excessive fear, tachycardia, and tremors. There are several classes of anxiolytic medications, each with unique mechanisms of action and potential side effects.
Primary Types of Anxiolytic Drugs
1. Benzodiazepines:
Benzodiazepines bind to the GABA-A receptor in the brain, enhancing GABA's interaction. This action reduces neurotransmission, effectively blocking anxiety-associated limbic circuitry.

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Related Experiment Video

Updated: May 20, 2026

Social Isolation Model: A Noninvasive Rodent Model of Stress and Anxiety
04:20

Social Isolation Model: A Noninvasive Rodent Model of Stress and Anxiety

Published on: November 11, 2022

Inflammation in anxiety.

Samina Salim1, Gaurav Chugh, Mohammad Asghar

  • 1Department of Pharmacological and Pharmaceutical Sciences, University of Houston, Houston, TX, USA. ssalim@uh.edu

Advances in Protein Chemistry and Structural Biology
|July 21, 2012
PubMed
Summary
This summary is machine-generated.

Psychoneuroimmunology explores how the immune system impacts the brain and behavior. This review highlights cytokines

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Reducing State Anxiety Using Working Memory Maintenance
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Reducing State Anxiety Using Working Memory Maintenance

Published on: July 19, 2017

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Last Updated: May 20, 2026

Social Isolation Model: A Noninvasive Rodent Model of Stress and Anxiety
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Published on: November 11, 2022

Reducing State Anxiety Using Working Memory Maintenance
08:17

Reducing State Anxiety Using Working Memory Maintenance

Published on: July 19, 2017

Area of Science:

  • Neuroimmunology
  • Psychoneuroimmunology
  • Behavioral Neuroscience

Background:

  • The central nervous system (CNS) and immune system interaction is a growing research area.
  • Cytokines, immune signaling molecules, play a crucial role in CNS functions and behavior modulation.
  • Psychological stress influences cytokine production, linking immunity to mental health.

Purpose of the Study:

  • To review current research on the role of neuroimmunology and cytokines in anxiety disorders.
  • To explore the mechanisms by which immune system activity influences brain function and behavior.
  • To propose an "oxidative stress theory" for anxiety disorders.

Main Methods:

  • Literature review of psychoneuroimmunology and neuroimmunology research.
  • Analysis of cytokine signaling pathways in the brain.
  • Discussion of the proposed "oxidative stress theory" for anxiety.

Main Results:

  • Cytokine signaling in the brain regulates neurotransmitter metabolism, neuroendocrine function, and neural circuitry of mood.
  • Dysregulation of cytokine signaling is linked to depression, anxiety, and cognitive dysfunction.
  • Inflammatory responses and cytokines are implicated in depression, with a growing need to understand their role in anxiety.

Conclusions:

  • Understanding neuroimmune mechanisms is vital for developing therapeutics and prevention strategies for neuropsychiatric diseases.
  • Anxiety disorders may arise from neuroinflammation triggered by an "oxidative stress" imbalance.
  • Further research is essential to validate the proposed "oxidative stress theory" in anxiety.