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Anxiety: Overview

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 Disorder

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...

Panic Disorder

Panic Disorder

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...

Social Anxiety Disorder

Social Anxiety Disorder

Social anxiety disorder, also known as social phobia, is characterized by an intense fear of social situations where one might face humiliation, rejection, embarrassment, or negative evaluation. This disorder leads individuals to avoid activities like casual conversations, public speaking, or seemingly simple tasks such as eating, signing documents, or swimming, in public settings. Its impact extends beyond discomfort, often significantly interfering with daily functioning and quality of life.

Stress and Mental Health

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...

Obsessive-Compulsive Disorder

Obsessive-Compulsive Disorder

Obsessive-compulsive disorder (OCD) is a mental health condition characterized by recurrent obsessions, compulsions, or both, which consume significant time and interfere with daily functioning. Obsessions involve persistent, intrusive, and unwanted thoughts, images, or urges that evoke anxiety. Common examples include irrational fears of contamination or harm. Compulsions are repetitive behaviors or mental acts performed to reduce the anxiety caused by obsessions. For instance, individuals...

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Related Experiment Video

Updated: Jun 22, 2026

Hyponeophagia: A Measure of Anxiety in the Mouse

Hyponeophagia: A Measure of Anxiety in the Mouse

Published on: May 17, 2011

Is hypochondriasis an anxiety disorder?

Bunmi O Olatunji, Brett J Deacon, Jonathan S Abramowitz

The British Journal of Psychiatry : the Journal of Mental Science

|May 30, 2009

Summary

Hypochondriasis, currently a somatoform disorder, may share cognitive processes with anxiety disorders. This suggests potential shifts in its treatment and diagnostic classification.

Area of Science:

Psychiatry
Clinical Psychology
Cognitive Neuroscience

Background:

Hypochondriasis is presently categorized as a somatoform disorder within diagnostic manuals.
Existing classifications focus on somatic symptoms and their impact on functioning.

Discussion:

The cognitive underpinnings of hypochondriasis may align more closely with anxiety-related disorders.
This perspective challenges the traditional somatoform framework.

Key Insights:

Cognitive processes in hypochondriasis suggest a potential link to anxiety disorders.
Re-evaluating hypochondriasis within an anxiety disorder spectrum is warranted.

Outlook:

Implications for revised treatment strategies targeting anxiety mechanisms.

Related Experiment Videos

Last Updated: Jun 22, 2026

Hyponeophagia: A Measure of Anxiety in the Mouse

Hyponeophagia: A Measure of Anxiety in the Mouse

Published on: May 17, 2011

Potential for future diagnostic classification revisions of hypochondriasis.