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Is it true that every time you sneeze your heart stops?
Questioner：Benjamin Edwards 2023-06-10 11:53:32
The most authoritative answer in 2024
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Julian Patel——Works at the International Development Association, Lives in Washington, D.C., USA.
As an expert in the field of human physiology, I would like to address the common myth that "every time you sneeze your heart stops." This statement is not scientifically accurate and is based on a misunderstanding of the physiological processes that occur during a sneeze.
When you sneeze, it is a reflex action that occurs in response to irritation in the nasal passages. This irritation can be caused by a variety of factors, including dust, pollen, or a cold virus. The sneeze reflex is a protective mechanism that helps to clear the nasal passages of irritants.
During a sneeze, there is a brief increase in intrathoracic pressure within the body. This increase in pressure can lead to a temporary decrease in blood flow back to the heart. However, the heart does not stop beating during a sneeze. Instead, the heart compensates for this temporary decrease in blood flow by adjusting its rhythm momentarily.
The electrical activity of the heart, which is responsible for generating the heartbeat, does not cease during a sneeze. The heart continues to function and pump blood throughout the body, albeit at a slightly altered rhythm. This temporary change in heart rhythm is a normal part of the body's response to the increased pressure during a sneeze.
It is important to note that while the heart does not stop during a sneeze, sneezing can be associated with other physiological changes. For example, some people may experience a brief drop in blood pressure or a temporary increase in heart rate. These changes are typically minor and do not pose a significant risk to healthy individuals.
In summary, the notion that the heart stops every time you sneeze is a myth. While sneezing does cause a temporary increase in intrathoracic pressure and a brief adjustment in heart rhythm, the heart continues to beat and function normally throughout the process. It is a natural and harmless reflex that serves to protect the respiratory system from irritants.
read more >>+149932024-05-10 07:27:28 -
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Levi Martinez——Works at Reddit, Lives in San Francisco, CA
When you sneeze, the intrathoracic pressure in your body momentarily increases. This will decrease the blood flow back to the heart. The heart compensates for this by changing its regular heart beat momentarily to adjust. However, the electrical activity of the heart does not stop during the sneeze.Jan 28, 2017read more >>+119962023-06-19 11:53:32
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