While there isn't one single, definitive "main cause" of panic disorder, a family history of panic attacks or panic disorder is a significant factor that increases the risk of developing it.
Here's a breakdown of factors that contribute to panic disorder:
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Genetic Predisposition: A family history strongly suggests a genetic component. If close relatives have panic disorder, you are more likely to develop it.
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Major Life Stress: Significant life events, like the death of a loved one or serious illness, can trigger panic attacks and potentially lead to panic disorder.
It's important to note that these are risk factors, not guarantees. Some people with these factors will develop panic disorder, while others won't. The interplay of genetics, environment, and individual experiences likely determines who develops the disorder.