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A newly discovered pathway between the heart and brain may explain why healthy people faint.
Why do healthy people faint? A pathway between heart and brain may hold answers
The newly discovered pathway between the heart and brain may provide insights into why healthy people faint. This pathway carries signals from the heart’s lower pumping chambers to the brainstem, controlling heart rate, blood pressure, and breathing. When nerve cells along this pathway are stimulated in mice, they immediately faint, offering a biological explanation for fainting unrelated to medical conditions.
Understanding the Brain-Body Connection
Research on the newly discovered pathway sheds light on how the brain and body work together to prevent fainting and the urgency of understanding autonomic system disorders, particularly in the context of COVID-19. This understanding is crucial as many long COVID patients experience autonomic dysfunction, leading to dizziness and fainting.
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