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Why is it necessary to bring heart rate variability under control ?

Several scientific studies have shown that heart variability decreases when someone experiences stress, anxiety, but also when someone suffers from phobias, depression, or psychological problems.

Heart rate variability is a reliable health indicator

Many researchers have underlined the fact that measuring heart rate variability can allow to assess our health and our ability to regulate emotions.

When the parasympathetic system loses its flexibility, it is no longer able to offset the sympathetic nervous system. Then, our heart is no longer properly balanced. This explains in part the negative consequences of stress on our brain and our heart—when we experience stress, our sympathetic nervous system kicks in, but its action is not balanced by the parasympathetic nervous system.
When our system lacks flexibility, we become exposed to somatic and psychological pathologies.

Research has shown that our perceptions and our reactions to external stimuli can impact heart variability. Thus, we need to learn how to bring heart rate variability under control. By trying to make it less chaotic, more coherent, we will allow our organism to save energy, and this will in turn improve our well-being.

When we manage to control heart rate variability, we reach a specific state—a state of cardiac coherence.