One of the most common types of frequent and disabling headaches is the migraine. Migraines may affect over 12 percent of the US adult population. They are the most common cause of recurring, disabling headaches and the number-one reason why patients see a neurologist.
Child development is the process by which children go through changes in skills development during predictable time periods, called developmental milestones. Developmental delay occurs when children have not reached these milestones by the expected time period.