New Research Sheds Light on Causes of Fainting

New research has discovered a pathway between the heart and the brain that can cause fainting.
The discovery of this pathway could lead to new treatments for disorders that affect blood flow to the brain.
The study used genetic tools to study the vagus nerve in mice and found a group of nerve cells that connect the heart's ventricles with a small region of the brainstem.
This type of fainting, called vasovagal syncope, occurs when there is a sudden drop in heart rate and blood pressure, reducing circulation to the brain.
When these nerve cells were stimulated, the mice experienced fainting-like symptoms.

New research has shed light on the causes of fainting, a condition that affects approximately 40% of people at some point in their lives. The study focused on a type of fainting known as vasovagal syncope, which is characterized by a sudden drop in heart rate and blood pressure, leading to reduced circulation to the brain.

The research team used genetic tools to study the vagus nerve in mice, discovering a group of nerve cells that connect the heart's ventricles with a small region of the brainstem. When these nerve cells were stimulated, the mice exhibited symptoms similar to fainting.

This discovery of a pathway between the heart and the brain could potentially lead to the development of new treatments for disorders that affect blood flow to the brain. However, further research is needed to confirm these findings and explore their potential applications in human medicine.

Confidence

50%

Doubts
  • The research is based on a study conducted on mice, and its findings may not directly translate to humans.

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Science has found new evidence of the causes of fainting

National Public Radio (NPR) Wednesday, 06 December 2023 00:00
  • Unique Points
    • New research has discovered a pathway between the heart and the brain that can cause fainting.
    • This type of fainting, called vasovagal syncope, occurs when there is a sudden drop in heart rate and blood pressure, reducing circulation to the brain.
    • The study used genetic tools to study the vagus nerve in mice and found a group of nerve cells that connect the heart's ventricles with a small region of the brainstem.
    • When these nerve cells were stimulated, the mice experienced fainting-like symptoms.
    • The discovery of this pathway could lead to new treatments for disorders that affect blood flow to the brain.
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80%

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Health News Florida Wednesday, 06 December 2023 00:00
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10%

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Unknown

www.wusf.org Wednesday, 06 December 2023 00:00
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90%

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404 Page Not Found

Texas Public Radio (www.tpr.org) Wednesday, 06 December 2023 00:00
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95%

The overall score is a weighted number that takes into account conflict of interest, bias, deception and other practices that undermine the credibility of the source. It is calculated as:
(Site Conflicts Of Interest + Author Conflicts Of Interest) / 2.0 * 0.2 + ArticleBiasScore * 0.20 + UniquePointsScore * 0.05 + DeceptionScore * 0.20 + ReadabilityScore * 0.05 + FallacyScore * 0.20

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We're Sorry, But That Page Cannot Be Found

www.ctpublic.org Wednesday, 06 December 2023 00:00
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