Research demonstrates that ADHD runs in families. There are also indications that the type of ADHD that persists into adulthood is more highly genetic than the type that remits in childhood.

ADHD refers to a family of related chronic neurobiological disorders that interfere with an individual’s capacity to regulate activity level (hyperactivity), inhibit behavior (impulsivity), and attend to tasks (inattention) in developmentally appropriate ways. The core symptoms of ADHD include an inability to sustain attention and concentration, developmentally inappropriate levels of activity, distractibility, and impulsivity. See similar questions...

Neuroimaging research has shown that the brains of children with ADHD differ fairly consistently from those of children without the disorder in that several brain regions and structures (pre-frontal cortex, striatum, basal ganglia, and cerebellum) tend to be smaller. Overall brain size is generally 5% smaller in affected children than children without ADHD. See similar questions...

A genetic disorder is a condition that's caused by a change, called a mutation, in a gene. A disease-causing mutation generally interferes with the body's production of a particular protein. What is a gene? Genes, made of the chemical known as DNA (deoxyribonucleic acid), are strings of chemicals that form a "rough draft" of the recipes (often called codes) for the thousands of proteins our bodies use to build cellular structures and carry out the functions of our cells. See similar questions...

Cerebral Palsy is neither a disease nor a genetic disorder. Cerebral Palsy is a condition with many possible causes, such as birth trauma or brain injury, but it is not contagious or inherited. A birth injury is suffered by the infant at the time of birth or soon after birth when the infant is still in the care of medical professionals. A birth defect, however, occurs during pregnancy and involves factors outside the care of professionals, such as maternal infections or genetic malformations. See similar questions...

important step is to collect health information from your family members. Family history is a valuable tool in assessing whether a cardiovascular disorder might be genetic. The genes responsible for some familial cardiovascular disorders have been identified. As such, there are certain individuals who may be appropriate for directed genetic testing of specific disorders. See similar questions...

Attention-Deficit/Hyperactivity Disorder (AD/HD) is a condition that can make it hard for a person to sit still, control behavior, and pay attention. These difficulties usually begin before the person is 7 years old. However, these behaviors may not be noticed until the child is older. Doctors do not know just what causes AD/HD. However, researchers who study the brain are coming closer to understanding what may cause AD/HD. See similar questions...

This may be a function of how we lump or split diagnoses, but comorbidity is the rule in child psychiatry. About half of those diagnosed with ADHD also have Oppositional Defiant Disorder. 20% have Conduct Disorder. Mood and anxiety disorders, often secondary to the self-esteem and image problems cited above, are common. About 20-40% of children with ADHD have learning disabilities. As mentioned above, substance abuse is much more likely in those with ADHD. See similar questions...

Antidepressants May Be Tied to Modest Suicide Risk in Children.... But expert endorses their use under close supervision See similar questions...

Yes and no. At present researchers have recognised multiple forms of inheritable dystonia and have identified at least thirteen genes or chromosomal locations responsible for the various manifestations. Also, certain forms of dystonia are secondary resulting from an apparent outside factors and attributed to a specific cause such as exposure to certain medications, trauma, toxins, infections, or stroke. See similar questions...

Bipolar disorder is much more common in families where someone has already been diagnosed with bipolar disorder. See similar questions...

Inattention. People who are inattentive have a hard time keeping their mind on one thing and may get bored with a task after only a few minutes. Focusing conscious, deliberate attention to organizing and completing routine tasks may be difficult. Hyperactivity. People who are hyperactive always seem to be in motion. They can’t sit still; they may dash around or talk incessantly. Sitting still through a lesson can be an impossible task. See similar questions...

The diagnosis of ADHD can be made reliably using well–tested diagnostic interview methods. Diagnosis is based on history and observable behaviors in the child’s usual settings. Ideally, a health care practitioner making a diagnosis should include input from parents and teachers. See similar questions...

Research shows that ADHD tends to run in families, so there are likely to be genetic influences. Children who have ADHD usually have at least one close relative who also has ADHD. And at least one–third of all fathers who had ADHD in their youth have children with ADHD. Even more convincing of a possible genetic link is that when one twin of an identical twin pair has the disorder, the other is likely to have it too. See similar questions...

No one knows for sure whether the prevalence of ADHD per se has risen, but it is very clear that the number of children identified with the disorder who obtain treatment has risen over the past decade. Some of this increased identification and increased treatment seeking is due in part to greater media interest, heightened consumer awareness, and the availability of effective treatments. A similar pattern is now being observed in other countries. See similar questions...