ADHD: Causes and Treatment
The causes of ADHD are not yet understood. So far, there is no specific test for ADHD. There is no blood test, genetic test, psychological test, or brain scan that can tell whether a child has ADHD or is at risk for developing ADHD.
However, scientists do know that ADHD is a complex neurobiological condition. Several factors seem to contribute to ADHD. Scientists believe that genes and environmental factors cause subtle brain alterations. In turn, these brain alterations cause problems with behaviour and learning.
ADHD runs in families:
- A parent with ADHD is likely to have one or more children with ADHD.
- A child with ADHD is likely to have a sibling or parent with ADHD. So when a doctor diagnoses inattentiveness and hyperactivity in a child, it is not uncommon for parents to suspect that a parent or another son or daughter may also have ADHD.
However, possible side effects include:
- facial or vocal tics
- sleep problems
- decreased appetite