an act, instance, or occasion of slumping:The economy is in a prolonged slump. a period during which a person performs ineffectively:The team is in a slump after having lost its last six games.
Common Causes of Childhood Stress. The source of anxiety and stress in children can be something external, such as a problem at school, changes in the family, or a conflict with a friend. Anxious feelings can also be caused by a child's internal feelings and pressures, such as wanting to do well in school or fit in with peers.
What Causes Generalized Anxiety Disorder? The exact cause of GAD is not fully known, but a number of factors -- including genetics, brain chemistry and brain circuits, and environmental stresses -- appear to contribute to its development. 1  Genetics: Some research suggests that family history plays a part in increasing the likelihood that a person will develop GAD.