Are men's hearts less capable of handling stress than women?
- Yes, the study confirms that men and women have different responses to stress and cardiac ailments
- Maybe, as it is uncertain whether the animal study findings relate to human responses to stress
- No, previous research has indicated that women are more likely to experience stress and arrhythmia
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A recent study discovered a difference in the risk for certain types of arrhythmias between men and women and identified a new factor that may contribute to this difference. In real-time, the researchers used a new fluorescence imaging system to observe the effects of hormones and neurotransmitters, such as noradrenaline, on mouse heart activity. They discovered that the electrical activity, known as repolarization, in female hearts differs from that in male hearts and that repolarization is closely linked to certain types of arrhythmias.
This method employed cAMP, which functions as a messenger to transmit signals in heart cells, specifically related to the autonomic nervous system, ultimately leading to electrical changes in the heart. Male hearts showed more consistent cAMP responses throughout the heart, while female hearts had significant differences in cAMP responses among different regions. This study encourages more specific studies on sex differences and stress response.
https://www.science.org/doi/10.1126/sciadv.add5799, https://www.futurity.org/stress-hormone-noradrenaline-male-female-hearts-2861742/?utm_source=rss&utm_medium=rss&utm_campaign=stress-hormone-noradrenaline-male-female-hearts-2861742
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