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Related Concept Videos

Panic Disorder01:27

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...
Chemotherapy-Induced Nausea and Vomiting: Cannabinoids01:21

Chemotherapy-Induced Nausea and Vomiting: Cannabinoids

Tetrahydrocannabinol (THC) is a phytocannabinoid that primarily interacts with the CB1 receptor, a type of G protein-coupled receptor (GPCR) predominantly in and around the chemoreceptor trigger zone (CTZ) and emetic center. THC also blocks the serotonin receptor activity in the dorsal vagal complex (DVC) by inhibiting serotonin release. THC exerts its anti-emetic effects through these interactions, which are beneficial for patients undergoing chemotherapy.
Two synthetic agonists of THC,...
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...
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...
CNS Stimulants: Cocaine, Amphetamines and Cannabinoids01:24

CNS Stimulants: Cocaine, Amphetamines and Cannabinoids

CNS stimulants, such as cocaine, amphetamines, and cannabinoids, have varying structures and mechanisms of action that lead to different therapeutic effects and side effects. Cocaine, with its molecular formula C17H21NO4, is a tropane alkaloid and a tertiary amino compound. It has two chemical forms: the hydrochloride salt and the "freebase." The former is in powder form, while the latter involves removing the hydrochloride salt to create a form that can be smoked. Cocaine exerts its effects by...
Desensitization and Tachyphylaxis01:20

Desensitization and Tachyphylaxis

Tachyphylaxis is described as a rapid decrease in response to a drug after repeated or continuous administration of the same drug dose. It is a phenomenon where the body becomes less responsive to a particular substance or intervention over time, requiring higher doses or stronger interventions to achieve the same effect. It results from adaptive changes in the body's receptors, signaling pathways, or physiological processes that occur in response to prolonged exposure to a stimulus.
Several...

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Related Experiment Video

Updated: Jun 20, 2026

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
07:30

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

Can cannabis trigger recurrent panic attacks in susceptible patients?

G Langs, H Fabisch, K Fabisch

    European Psychiatry : the Journal of the Association of European Psychiatrists
    |August 25, 2009
    PubMed
    Summary
    This summary is machine-generated.

    Cannabis use can trigger panic attacks, even after intake stops. This study suggests cannabis may uncover latent panic disorders in susceptible individuals, particularly those with depression.

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    Area of Science:

    • Psychiatry
    • Neuroscience
    • Cannabis Research

    Background:

    • Cannabis (Cannabis sativa) is known to cause acute psychiatric reactions like panic and derealization.
    • These reactions are typically self-limiting.
    • The long-term effects and potential for triggering underlying psychiatric conditions require further investigation.

    Purpose of the Study:

    • To investigate the potential for cannabis use to trigger recurrent panic attacks.
    • To explore the possibility that cannabis may uncover latent panic disorders in vulnerable individuals.

    Main Methods:

    • Case report detailing three patients experiencing panic attacks during cannabis use.
    • Follow-up assessment after cessation of cannabis intake.
    • Review of patient history including depressive disorders and seizure history.

    Main Results:

    • All three patients experienced initial panic attacks associated with cannabis intake.
    • Anxiety attacks recurred in these patients even after discontinuing cannabis.
    • Two patients had a current depressive disorder, and one had a history of a Grand Mal seizure.

    Conclusions:

    • Cannabis may act as a trigger for the emergence of recurrent panic attacks.
    • Cannabis use might uncover or precipitate panic disorders in predisposed individuals.
    • Further research is needed to understand the neurobiological mechanisms linking cannabis and panic disorder.