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Related Concept Videos

Stress and Mental Health01:30

Stress and Mental Health

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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...
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Psychoneuroimmunology: Diabetes and Cancer01:19

Psychoneuroimmunology: Diabetes and Cancer

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Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...
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Psychoneuroimmunology: Cardiovascular Disease01:27

Psychoneuroimmunology: Cardiovascular Disease

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Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
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Introduction to Stress and Lifestyle01:27

Introduction to Stress and Lifestyle

161
Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
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Psychological Responses to Stress01:20

Psychological Responses to Stress

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Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
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Physiological Foundation of Stress01:24

Physiological Foundation of Stress

148
Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
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Updated: Aug 31, 2025

An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents
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The Relationship between Stress, Inflammation, and Depression.

Il-Bin Kim1,2, Jae-Hon Lee3, Seon-Cheol Park1,4

  • 1Department of Psychiatry, Hanyang University Guri Hospital, Guri 11923, Korea.

Biomedicines
|August 26, 2022
PubMed
Summary

Chronic stress can cause depression and related diseases. This review explores how inflammation plays a key role in stress-induced depression and discusses treatments targeting inflammation.

Keywords:
antidepressantchronic inflammationdepressionimmune systemimmunomodulatory effectinflammatory cytokinesstressstress hormones

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Area of Science:

  • Neuroscience
  • Immunology
  • Psychiatry

Background:

  • Chronic stress is linked to stress-related diseases, including depression.
  • The exact pathways connecting stress and disease pathophysiology are still under investigation.
  • Chronic inflammation is a significant factor in many chronic diseases, notably depression.

Purpose of the Study:

  • To investigate the role of inflammation in stress-induced diseases.
  • To determine if a common inflammatory pathway exists for depression.
  • To review current understanding of inflammation's link to stress-related disorders.

Main Methods:

  • This study is a narrative review of existing scientific literature.
  • It synthesizes findings from experimental and clinical studies.
  • The review examines the impact of pro-inflammatory cytokines and stress hormones.

Main Results:

  • Increased pro-inflammatory cytokines and glucocorticoids correlate with depressive behaviors.
  • Inflammation appears to be a critical factor in the pathology of stress-related diseases.
  • Major depression is associated with an activated immune system.

Conclusions:

  • Inflammation is a key mediator in stress-induced diseases, particularly depression.
  • Pharmacological and non-pharmacological treatments targeting inflammation show promise.
  • Antidepressants and lifestyle interventions like exercise may exert anti-inflammatory effects.