make this realization depending on age and maturity. The situation is avoided or endured with large amounts of stress and anxiety. The fear reaction interferes with a normal routine e.g. if a fear of elevators cause a person to avoid taller buildings. The duration is at least 6 months. The origin of the fear reaction is not directly caused by the physiological effects of a drug or substance or origin of anxiety is not better classified by another disorder e.g. separation anxiety disorder. If another mental or medical condition is present, it is unrelated to the origin of the fear reaction. According to the Boston Children's Hospital a phobia is a type of anxiety disorder, that happens mostly with children and can be related to diverse reasons, they can happen due to biological, family and environmental factors those factors can be triggered through many different reasons, they can be inherited or associated with random or fixed events. Types Fear of abandonment From infancy, a child can feel whether or not their mother cares for them. As a child grows and develops, they will need continued guidance until they reach adulthood. When a child's discipline is directed at them instead of their misbehavior, the child feels as if their relationship with their parents is at risk. Phrases like "Ugh, you're killing me," "I'll give you up for adoption," or "I could just kill myself" are especially harmful. These phrases can make the child unstable and overly anxious when left alone. The children perceive that they are unloved and blame themselves for the rejection. Fear of animals The fear of animals most often occurs in the third year of life. In some cases, the fear has logical origins such as a traumatic experience with a large seemly furious dog. In others, however, the fear is less rational. When a child fears small seemingly harmless animals like bunny rabbits and kittens, it is often due to the child relating the animal to something "scary" they have seen elsewhere. Fear of darkness One of the first fears that a child can acquire is a fear of darkness. Because a child lacks the coordination and knowledge of an adult they often allow themselves to imagine goblins and ghosts hidden in the depths of darkness surrounding them. Fear of strangers The fear of strangers develops within the first six to ten months. It is characterized by