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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.

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...

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...

Anxiolytic Drugs: Overview

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.

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.

Anxiolytic Drugs: Benzodiazepines and Buspirone

Anxiolytic Drugs: Benzodiazepines and Buspirone

Benzodiazepines are a class of anxiolytic drugs known for their rapid efficacy and high therapeutic-to-lethal dose ratio, but with a potential risk of drug dependence. These drugs are lipophilic, allowing for rapid absorption after oral administration, eventually reaching the central nervous system (CNS). Once in the CNS, benzodiazepines bind to the allosteric site of the GABAA receptor. This binding enhances the inhibitory effects of the neurotransmitter GABA. By doing so, they prevent...

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Related Experiment Video

Updated: May 17, 2026

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

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

Published on: November 11, 2022

[Anxiety disorders].

F Geiser¹, A Kleiman, C Albus

¹Klinik und Poliklinik für Psychosomatische Medizin und Psychotherapie, Universität Bonn, Deutschland. franziska.geiser@ukb.uni-bonn.de

|October 12, 2012

Summary

This summary is machine-generated.

Anxiety disorders affect 17% of people globally, often leading to chronic impairment. Early diagnosis and integrated treatment are crucial, especially when linked to physical health conditions like cardiovascular disease.

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Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

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Last Updated: May 17, 2026

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

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Published on: November 11, 2022

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Published on: September 12, 2014

Area of Science:

Psychiatry and Psychology
Epidemiology
Cardiology

Context:

Anxiety disorders are highly prevalent worldwide, impacting approximately 17% of the population.
These disorders can become chronic, significantly impairing individuals' quality of life.
They are often comorbid with physical illnesses, posing diagnostic and therapeutic challenges.

Purpose:

To highlight the significant global prevalence and chronic nature of anxiety disorders.
To emphasize the multicausal etiology involving genetic and psychosocial factors.
To underscore the association between anxiety disorders and physical illnesses, particularly cardiovascular disease, and the need for improved diagnostic and treatment strategies.

Summary:

Anxiety disorders, affecting 17% globally, encompass conditions like agoraphobia and social phobia.
Etiology is multifactorial, involving genetic and psychosocial interactions.
Treatment options include psychotherapy, psychopharmacology, or combined approaches.
A strong link exists between anxiety and cardiovascular disease, with anxiety being an independent risk factor.

Impact:

Optimizing diagnostic and treatment strategies for anxiety disorders is essential, especially in patients with comorbid somatic diseases.
Recognizing anxiety as an independent risk factor for cardiovascular disease can lead to earlier intervention.
Integrated care approaches are needed to address the complex interplay between mental and physical health.