hyperactivity
hahy puh rak ti vi tee
- n a condition characterized by excessive restlessness and movement
- Scientists have found that the brain development of children with attention deficit hyperactivity disorder (ADHD) is delayed but otherwise typical, according to a new study by .
- Research confirms a long-suspected link between hyperactivity and food additives.
- A new British study finds the clearest evidence yet that common food colorings and preservatives can trigger hyperactivity in normal children.