Teenagers are twice as likely to be hyperactive if their mothers were anxious during pregnancy and their early years, a new study has shown.
While around five per cent of youngsters usually experience some symptoms of Attention Deficit Hyperactivity Disorder (ADHD) by the age of 16, the number jumped to 11 per cent of those whose mothers suffered anxiety.
Although some anxiety is natural during pregnancy and the early years of motherhood, the researchers measured extreme symptoms such as trembling, insomnia, dizziness and sweating.
In the study around one quarter of the women tested showed medium to high anxiety.
Researchers say they cannot be sure of a causal link, but have speculated that high…