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Related Concept Videos

Drugs for Treatment of Constipation-Predominant IBS01:21

Drugs for Treatment of Constipation-Predominant IBS

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Pharmacological therapies for IBS-C are designed to alleviate abdominal discomfort and enhance bowel function. In patients with IBS-C, fiber supplements may help soften stools and decrease straining, but may also lead to increased gas production and bloating. Osmotic laxatives like milk of magnesia are frequently used to soften stools and increase stool frequency in IBS-C patients. In addition, two drugs approved for use in severe IBS-C adult cases are linaclotide (Linzess) and lubiprostone...
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Bulimia Nervosa01:30

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Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
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Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation01:30

Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation

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Irritable Bowel Syndrome II: Clinical Features and Diagnostic Evaluation
Irritable Bowel Syndrome (IBS) is classified into subtypes based on the predominant bowel habits as determined by the Bristol Stool Form Scale (BSFS). The subtypes are:
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Human Genetics01:28

Human Genetics

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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
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Drugs for Treatment of Diarrhea-Predominant IBS01:17

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Diarrhea-predominant irritable bowel syndrome (IBS-D) is a subtype of IBS characterized primarily by frequent, loose, or watery stools, abdominal pain, and abdominal discomfort. Therapeutic approaches to managing IBS-D include dietary changes, stress management techniques, and pharmaceutical interventions.
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Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
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Related Experiment Video

Updated: May 17, 2025

Electroacupuncture Combined with Chinese Medicine Ironing Therapy for Functional Constipation
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Constipation and Psychiatric Disorders: A Bidirectional Mendelian Randomization Study.

Xu Yang1, Jie Kang2, Xuan Zhang2

  • 1Department of Rehabilitation Medicine, General Hospital of Northern Theater Command, Shengyang, China.

Combinatorial Chemistry & High Throughput Screening
|May 16, 2025
PubMed
Summary

Schizophrenia (SP) may cause constipation (CN), but constipation does not appear to cause SP, Bipolar Disorder (BD), Schizoaffective Disorder (SD), or Parkinson's Disease (PD). Further research is needed to understand the interaction mechanisms between these conditions.

Keywords:
GWAS.constipationmendelian randomization studypsychiatric disordersschizophrenia

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Area of Science:

  • Psychiatric Genetics
  • Gastroenterology
  • Epidemiology

Background:

  • Observational studies suggest a link between constipation (CN) and psychiatric disorders like Schizophrenia (SP), Bipolar Disorder (BD), Schizoaffective Disorder (SD), and Parkinson's Disease (PD).
  • The causal direction between CN and these psychiatric disorders remains unclear.

Purpose of the Study:

  • To investigate the potential causal relationship between constipation and four major psychiatric disorders using Mendelian randomization (MR).
  • To determine if CN influences the onset of psychiatric disorders or vice versa.

Main Methods:

  • Utilized genome-wide association studies (GWAS) data for CN (N=411,623) and SP (N=77,096), BD (N=51,710), SD (N=210,962), and PD (N=482,730).
  • Employed bidirectional MR analysis with Inverse Variance Weighting (IVW), MR Egger (ME), and Weighted Median (WM) methods.
  • Conducted sensitivity analyses using Cochran's Q test, funnel plots, MR Egger intercept, and Leave-one-out analysis to ensure result validity.

Main Results:

  • Bidirectional MR analysis found no evidence that constipation causes Schizophrenia, Bipolar Disorder, Schizoaffective Disorder, or Parkinson's Disease.
  • Reverse MR analysis indicated a potential causal relationship where Schizophrenia (SP) may influence the development of constipation (CN) (OR 1.030, P=0.042).
  • No significant causal association was found between CN and Bipolar Disorder, Schizoaffective Disorder, or Parkinson's Disease.

Conclusions:

  • Schizophrenia exhibits a potential causal link with constipation.
  • Constipation does not appear to have a direct causal effect on Bipolar Disorder, Schizoaffective Disorder, or Parkinson's Disease.
  • The complex interaction mechanisms between Schizophrenia and constipation warrant further investigation.