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A large proportion of patients who start taking ADHD medication, especially young adults, stop within the first year. However, people who use ADHD medicine for a long time and in higher-than-average doses seem to have a higher risk of some cardiovascular diseases. This is according to two new studies led by researchers from Karolinska Institutet and published in The Lancet Psychiatry and JAMA Psychiatry.
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KI researcher Carl Sellgren has been awarded the Bjarne Ahlströms Minnesfonds pris 2023 (Bjarne Ahlström Memorial Fund Prize 2023) for his research in clinical neurology and how the loss of synapses (contacts between cells) in the brain could be a possible cause of schizophrenia.
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Attention-deficit/hyperactivity disorder (ADHD) is a common neurodevelopmental disorder characterized by developmentally inappropriate levels of inattentiveness, hyperactivity, and impulsivity. Symptoms of ADHD often persist into adulthood and psychiatric comorbidities as well as adverse somatic outcomes can emerge across the lifespan.
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Adults with ADHD are at greater risk of developing a range of cardiovascular diseases than those without the condition, according to a large observational study led by researchers at Karolinska Institutet and Örebro University. The researchers say the findings, published in the journal World Psychiatry, underscore the need to monitor cardiovascular health in people with ADHD.
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A doctoral thesis at Karolinska Institutet has investigated whether Acceptance Commitment Therapy (ACT) can be used for individuals with Autism Spectrum Disorder. The results show that the treatment can be carried out in both a school environment and in psychiatric outpatient care and can have an effect on, among other things, perceived stress.
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A large study at Karolinska Institutet in Sweden has found a link between ADHD and dementia across generations. The study, published in Alzheimer's & Dementia: The Journal of the Alzheimer's Association, shows that parents and grandparents of individuals with ADHD were at higher risk of dementia than those with children and grandchildren without ADHD.
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Adults with ADHD are at higher risk of a wide range of physical conditions, including nervous system, respiratory, musculoskeletal, and metabolic diseases, according to a large register-based study from Karolinska Institutet published in The Lancet Psychiatry.
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Individuals with high ADHD-traits that do not meet the criteria for a diagnosis are less able to perform tasks involving attentional regulation or emotional control after a sleepless night than individuals with low ADHD-traits, a new study from Karolinska Institutet published in Biological Psychiatry: Cognitive Neuroscience and Neuroimaging reports.
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Shihua Sun has investigated the associations between attention-deficit/hyperactivity disorder (ADHD) and specific adverse outcomes including asthma and premature death. In his thesis, Shihua included four studies to clarify the magnitude and etiology of the associations, as well as potential effects from medication treatment that may prevent poor prognosis.
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Researchers at Karolinska Institutet have identified a protein in the brain that is important both for the function of the mood-regulating substance serotonin and for the release of stress hormones, at least in mice. The findings, which are published in the journal Molecular Psychiatry, may have implications for the development of new drugs for depression and anxiety.
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Researchers at Karolinska Institutet describe molecular and cellular consequences of unique genetic mutations affecting the CASK gene which has been implicated in various neurodevelopmental disorders. Notably, the results indicate differences in the development of presynapses of inhibitory neurons in individuals with specific mutations. The findings elucidate key mechanisms during early neuronal maturation and may help to define targets for future drug discoveries for these disorders.
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People with autism spectrum disorder have lower levels of a protein that regulates the amount of serotonin in the brain, a paper from Karolinska Institutet in Sweden published in the journal Molecular Psychiatry reports. For their study, the researchers used a molecular brain imaging technique to compare people with and without autism; their results offer hope of finding a drug that can alleviate the symptoms.
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Those with a family history of schizophrenia and men with lower IQ are more likely to struggle with treatment resistant schizophrenia than others with the mental disorder, according to a study by researchers at Karolinska Institutet in Sweden published in the journal Molecular Psychiatry. The researchers say the findings could be important in efforts to design novel drug treatments that improve cognition.
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The timing of anemia—a common condition in late pregnancy—can make a big difference for the developing fetus, according to research at Karolinska Institutet published in JAMA Psychiatry. The researchers found a link between early anemia and increased risk of autism, ADHD and intellectual disability in the child. Anemia discovered toward the end of pregnancy did not have the same correlation. The findings underscore the importance of early screening for iron status and nutritional counselling.
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The risk of suicide attempts and suicides among individuals with autism spectrum disorders is significantly higher than among the population in general. An especially high risk of suicidal behaviour is noted among women who in addition to autism also have ADHD. These are the findings of a population-based study from Karolinska Institutet in Sweden published in the journal Psychological Medicine.
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Multiple neuropsychiatric diseases are major predisposing factors for functional decline in older people and may play a greater role in this age-related phenomenon than cardiovascular diseases, according to a new study by researchers at Karolinska Institutet published in PLOS Medicine.
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A new multinational study of parental age and autism risk, published in the journal Molecular Psychiatry, found increased autism rates among children whose parents have relatively large gaps between their ages. The study also confirmed that older parents are at higher risk of having children with autism. The analysis, which is the largest-ever, included more than 5.7 million children in five countries.
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A number of relatively common gene variations combined may increase the risk of autism. These are the findings of a new study from Swedish and American researchers published in Nature Genetics.
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09-06-2023