Fear is a normal response to many situations and comprises two primary reactions: biochemical and emotional. This produces automatic physical reactions such as sweatin… See more

The emotional response to fear, however, is personalized to the individual. Since the biology of fear involves some of the same chemical responses to pleasantemotions, such as ex… See more

In many situations, fear is normal and healthy in that it can keep us from entering harmful situations and help us decide when to get out of these situations. The immediate t… See more

Specific phobias usually develop in childhood and, in some cases, can be pinpointed to an exact moment. In some cases, specific phobias can result from an early traum… See more

The primary brain region that is responsible for fear is the amygdala. The amygdalais a collection of nuclei in the limbic system. Some main nuclei in the amygdala are the lateral, bas… See more