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[ Diagnosis Of ADHD On The Rise ]

Diagnosis Of ADHD On The Rise

The number of American children leaving doctors' offices with an attention deficit hyperactivity disorder ( ADHD ) diagnosis has risen 66 percent in 10 years, according to a new Northwestern Medicine study. Over this same timeframe, specialists, instead of primary care physicians, have begun treating an increasing number of these young patients, the study found. The study, which will be published in the March/April issue of the journal Academic Pediatrics, analyzed ADHD trends from 2000 to 2010 among children under the age of 18 who were diagnosed and treated by office-based physicians. Researchers analyzed changes in the diagnosis of ADHD and treatment of the disorder over this 10-year time period. "ADHD is now a common diagnosis among children and teens, " said Craig Garfield, M.

During Pregnancy, Cell Phone Use May Lead To Behavioral Disorders In Offspring

Exposure to radiation from cell phones during pregnancy affects the brain development of offspring, potentially leading to hyperactivity, Yale School of Medicine researchers have determined. The results, based on studies in mice, are published in Scientific Reports, a Nature publication. "This is the first experimental evidence that fetal exposure to radiofrequency radiation from cellular telephones does in fact affect adult behavior, " said senior author Hugh S. Taylor, M.D., professor and chief of the Division of Reproductive Endocrinology and Infertility in the Department of Obstetrics, Gynecology & Reproductive Sciences. Taylor and co-authors exposed pregnant mice to radiation from a muted and silenced cell phone positioned above the cage and placed on an active phone call for the duration of the trial.

Young Adults With Asperger Syndrome Frequently Suffer From Depression

Given that almost 70% of young adults with Asperger syndrome have suffered from depression, it is vital that psychiatric care staff are aware of this so that patients are given the right treatment, reveals research from the Sahlgrenska Academy at the University of Gothenburg, Sweden. Tove LugnegĂ rd, researcher at the University of Gothenburg, has shown in her thesis that mood disorders and anxiety disorders are very common among young adults with Asperger syndrome. Around 70% of the young adults with Asperger Syndrome in the study reported at least one previous episode of depression, and up to 50 % had had repeated episodes - a remarkable result given that the mean age of the group was just 27 years. Important to prevent depression "The results mean that it's important that psychiatric care staff keep an eye open for the symptoms of depression in young adults with autism spectrum disorders, " says LugnegĂ rd.

Study Finds Higher Doses Of ADHD Drug May Disadvantage Children In The Classroom

New research with monkeys sheds light on how the drug methylphenidate may affect learning and memory in children with attention deficit hyperactivity disorder. The results parallel a 1977 finding that a low dose of the drug boosted cognitive performance of children with ADHD, but a higher dose that reduced their hyperactivity also impaired their performance on a memory test. "Many people were intrigued by that result, but their attempts to repeat the study did not yield clear-cut results, " says Luis Populin, an associate professor of neuroscience at the University of Wisconsin-Madison School of Medicine and Public Health. Populin was senior author of the new study exploring the same topic, now available in the early access section of the Journal of Cognitive Neuroscience, published last week.

Immaturity May Lead To Misdiagnosis Of ADHD

The youngest children in the classroom are significantly more likely to be diagnosed with attention-deficit/hyperactivity disorder ( ADHD ) - and prescribed medication - than their peers in the same grade, according to a study just published in CMAJ (Canadian Medical Association Journal). ADHD, which is often treated with prescription medication, is the most commonly diagnosed behavioural disorder in children. Two recent studies have shown a link between the relative age of children and diagnosis of ADHD and prescription of medication. Younger children in the same grade as children who may be almost a year older may appear to be immature compared with their older peers. This apparent lag in maturity has been called the "relative-age effect" and influences both academic and athletic performance.

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