It is caused by things which indicate the risk of harm or danger to confront directly with it, sometimes even in situations where there are no disasters. Mental thoughts and realization event can imagine South, causing fear.
It is caused by what the body which indicates risk or danger. Directly to collide with a dangerous Yet Sometimes, in situations where there is no danger subconscious mind and imagination, it can also cause fear.
It is caused by the environment, which indicate the risk of danger. The to confront danger directly. Nevertheless, sometimes in a situation where no disasters, fancy, the subconscious and imagination, it can also cause fear.