Due to our brains store memories fearful experiences that help us identify potential threats. However its important to understand what sorts of changes happen when we experience fear.
When get scared, the heart pumps more blood to the muscles and our body experiences piloerection and excessive sweat releasing.
Currently 530 phobias are officially recognized. Aroud 19.2% of American are suffered from some type of phobia. Women of all ages are vulnerable to phobias. While women top fear is snakes, men mostly worry if buried alive. While 57% of people fear the IRS, but 30% of them fear god.