Amphetamine abuse during adolescence permanently changes brain cells, according to new animal research. The study shows drug exposure during adolescence, but not young adulthood, altered electrical properties of brain cells in the cortex.The findings were presented at Neuroscience 2010, the annual meeting of the Society for Neuroscience, held in San Diego. Many children and teens with attention deficit hyperactivity disorder benefit from taking amphetamines, such as Adderall®, when closely supervised by parents and physicians. However, these drugs are also highly abused by healthy individuals, particularly adolescents between the...