The mood swings characteristic of bipolar disorder may be connected to attention deficit hyperactivity disorder (ADHD), according to one study. In 2005, Norwegian researchers began a long-term project to discover medical and biological factors that could influence development of ADHD and how it presents itself in the population.
The researchers studied biological and clinical samples from the records of of ADHD patients and their families in an attempt to bridge a connection between ADHD symptoms and other mental conditions such as bipolar disorder. According to project manager Jan Haavik, the researchers discovered that patients with ADHD often exhibit rapid, dramatic mood swings similar to those of bipolar disorder. As a result, they’re speculating that mood swings may need be an official part of the ADHD diagnosis.
Between 2 and 5 percent of the world's population is affected by ADHD. Despite the fact that ADHD has been recognized as a condition for more than a century, researchers still know little about what causes it or how to prevent it.
The Norwegian researchers plan to expand the study internationally in upcoming years. ScienceDaily
(www.everydayhealth.com)
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