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Related Concept Videos

Schizophrenia01:17

Schizophrenia

78
Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those...
78
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

85
Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
85
Negative and Cognitive Symptoms of Schizophrenia01:30

Negative and Cognitive Symptoms of Schizophrenia

48
Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
48
Stress Prevention and Stress Management Techniques IV01:26

Stress Prevention and Stress Management Techniques IV

29
Stress often leads to unhealthy habits like smoking, excessive drinking, and overeating, which offer short-term relief but ultimately increase long-term health risks. These behaviors create a cycle that temporarily lowers stress levels but can result in severe long-term health consequences. Breaking these habits is essential to reduce the risk of chronic diseases and improve overall well-being. Three primary changes that support better health include quitting smoking, reducing alcohol intake,...
29
Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

57
Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
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Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

107
Schizophrenia is a complex mental health disorder that can manifest with various positive symptoms, including thought, movement, and behavior disorders. These symptoms significantly disrupt cognitive and motor functions, leading to profound effects on an individual's ability to engage with the world.
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
107

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Smoking affects symptom improvement in schizophrenia: a prospective longitudinal study of male patients with

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Smoking did not worsen clinical symptoms in male schizophrenia (SCZ) patients. However, male SCZ smokers showed greater improvement in negative symptoms after 12 weeks of antipsychotic treatment.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Clinical Psychology

Background:

  • Patients with schizophrenia (SCZ) exhibit higher smoking rates than the general population.
  • Existing research on the impact of smoking on SCZ symptom severity yields conflicting results.

Purpose of the Study:

  • To investigate the effect of smoking on clinical symptoms in male, drug-naïve, first-episode schizophrenia (DNFE SCZ) patients undergoing antipsychotic monotherapy.
  • To assess symptom changes over a 12-week treatment period, controlling for potential confounding variables.

Main Methods:

  • A 12-week cohort study involving 145 male DNFE SCZ patients receiving antipsychotic monotherapy.
  • Symptom severity was evaluated using the Positive and Negative Syndrome Scale (PANSS) at baseline and week 12.
  • Statistical analyses controlled for age, education, onset age, and baseline BMI.

Main Results:

  • No significant differences in overall clinical symptoms were observed between male SCZ smokers and nonsmokers.
  • Male smokers demonstrated a statistically significant greater improvement in negative symptoms compared to nonsmokers after 12 weeks of treatment.
  • This improvement in negative symptoms among smokers persisted after controlling for demographic and clinical covariates.

Conclusions:

  • Smoking does not appear to exacerbate overall clinical symptoms in male DNFE SCZ patients treated with antipsychotics.
  • Smoking may be associated with a better response in negative symptoms of schizophrenia during antipsychotic treatment in this population.
  • Further research is warranted to explore the neurobiological mechanisms underlying this observed association.