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Infants who survive serious health problems in the first few weeks of life have a higher risk of dying during childhood and adolescence compared to children who were healthy as newborns. This is according to a new study from Karolinska Institutet published in the journal JAMA Pediatrics.
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The Foundation for Child Research at Astrid Lindgren Children’s Hospital recently hosted a ceremonial event to present this year’s Hugo Lagercrantz Award alongside the fall research grants. It was an inspiring gathering that celebrated both groundbreaking research and emerging scientific talent in paediatrics.
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A donation of SEK 10 million from the Promobilia Foundation is to provide crucial funding for a project designed to help children, adolescents and adults with motor impairments identify more as physically active and included in sport. The project is led by Ferdinand von Walden, researcher at the Department of Women’s and Children’s Health, and Jessica Norrbom, researcher at the Department of Physiology and Pharmacology at Karolinska Institutet.
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Pregnant women with metabolic dysfunction-associated steatotic liver disease (MASLD) have an increased risk of giving birth prematurely and the risk increase cannot be explained by obesity, according to a new study from Karolinska Institutet published in the journal eClinicalMedicine.
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A new study from Karolinska Institutet in collaboration with BUP Stockholm has conducted a pilot evaluation of a family-based cognitive behavioral therapy for adolescents with suicidal behavior. The study, published in the scientific journal BMJ Mental Health, shows that the treatment Safe Alternatives for Teens and Youths (SAFETY) may be a promising option for reducing suicide attempts.
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A higher tax on cigarettes in low and middle-income countries can help to reduce child mortality, especially amongst the poorest children, a new study led by researchers at Karolinska Institutet and published in The Lancet Public Health suggests.
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Professor Jonas F Ludvigsson at the Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, and Örebro University Hospital has been awarded the Solstickepriset 2025.
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Despite the widespread use of pain rating scales in neonatal care worldwide, a new Cochrane review shows that current tools for assessing pain in newborns are based on very low quality evidence. According to the review, none of the pain rating scales in use today are methodologically reliable enough to measure pain.
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Meet Lingjia Yin (Keira), a PhD student at GPH who will defend her thesis on Pediatric Tuina in May this spring. Her research journey has taken her from China to Sweden and back again. Dive into her story and discover the exciting work she is doing to improve children's health with massage, and learn why her best advice to new PhD students is "don't get stuck in the jungle forever"
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Audience: Medarbetare
Global folkhälsa

Children with avoidant restrictive food intake disorder (ARFID) have an elevated risk of developing psychiatric and physical conditions, a new study from Karolinska Institutet published in JAMA Pediatrics reports. The study highlights the importance of early identification to improve care of these children.
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Reading ability among young people is declining, and it is the most vulnerable students who are hardest hit, according to speech language pathologist and researcher Anna Eva Hallin. In her research, she aims to understand how best to support students with language and reading difficulties.
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When children with obesity undergo weight-loss treatment, the effects have repercussions later in life and the risk of serious health problems and premature death is lower as they reach young adulthood. However, this is not the case for depression and anxiety, a study from Karolinska Institutet published in JAMA Pediatrics reports.
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Researchers at Karolinska Institutet and the Astrid Lindgren Children’s Hospital in Sweden have determined how children’s immune systems react to different kinds of cancer depending on their age. The study, which is published in the journal Cell, reveals significant differences between the immune response of children and adults, and has the potential to lead to new tailored treatments for children with cancer.
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For children battling both congenital heart defects (CHD) and cancer, the road to recovery is far more precarious than previously understood, according to a new study published in the Journal of the National Cancer Institute. The research reveals that these children face a higher risk of death within five years after a cancer diagnosis compared to their peers without CHD. Although their survival rates have improved over recent decades, lymphoma mortality remains disproportionately high.
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Neuroblastoma is a rare disease that affects children, often before the age of two. Some are born with the disease. Paediatric surgeon Jakob Stenman is investigating whether targeted radioactive drugs can slow down the disease in those with the most severe form.
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Tobias Alfven attended session on COP29 in Azerbaijan focusing health and climate action, to present a report on the effects of climate change on child health and well-being. The session emphasized the urgent need to recognize the climate crisis as a health crisis, particularly for children, who are disproportionately affected due to their unique vulnerabilities from pregnancy through adolescence
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An abnormal BMI in children – be it high or low – can now be associated with impaired lung function, but if their BMI is normalised before they reach adulthood, the impairment can be offset, researchers from Karolinska Institutet report. Their results, which are based on data collected under the BAMSE project, are presented in The European Respiratory Journal.
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Is your immune system functioning as it should? The question is not as simple to answer as one might think. Professor Petter Brodin is trying to understand more about it. At the same time, he hopes to help patients that are severely affected with post-COVID and other conditions where the regulation of the immune system is not working.
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Generation Pep wants all children and young people in Sweden to have the opportunity and desire to live an active and healthy life. They collaborate with established knowledge partners, including Karolinska Institutet. Generation Pep now presents the online training programme My Best Day, developed in collaboration with researchers at KI and others, with the aim of improving young people's health.
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Researchers from Karolinska Institutet has made a significant breakthrough in the study of childhood neuroblastoma, a type of cancer that begins before birth during the early stages of adrenal gland development.
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The understanding of congenital growth and skeletal diseases is currently limited. Ola Nilsson hopes to pave the way for new therapeutic strategies by charting the mechanisms driving these diseases. Meet one of the new professors of Karolinska Institutet who will participate in this year's installation ceremony at Aula Medica on 3 October.
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Children who have undergone treatment for cancer often lose the protection against infection provided by previous vaccinations. Anna Nilsson is studying how cancer therapies affect the immune system in order to improve vaccination guidelines for these children. Meet one of the new professors of Karolinska Institutet who will participate in this year's installation ceremony at Aula Medica on 3 October.
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A new registry study from Karolinska Institutet and Tampere University shows that hospital admissions due to allergic reactions in children have increased in Finland while they have decreased in Sweden. The study, published in the journal Allergy, also shows that the incidence of anaphylaxis is higher in Finland than in Sweden.
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Certain genetic variants that have previously been linked to the lung disease COPD can explain reduced lung function already in children and adolescents, according to researchers at Karolinska Institutet. The results are presented in the Lancet's sister journal eClinicalMedicine together with fifteen other European research centres.
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Fetuses whose mothers had COVID-19 or were vaccinated during the first three months of pregnancy are not at increased risk of birth defects. This is the result of a large Nordic study published in the British Medical Journal.
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Unicef is launching a report written by two KI researchers that describes the devastating consequences of climate change for children's health globally. The report summarises research from the field and over 30 experts. It identifies the six main climate hazards and shows that they pose a serious threat to children's health and well-being.
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In the largest epidemiologic study to date of the risk of giving birth to a child with autism, ADHD or intellectual disability following acetaminophen use during pregnancy, researchers found no association. The study is now published in JAMA.
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Height and weight charts have been used for decades to monitor child development. A paper in The Lancet now presents a new application that enables healthcare professionals to keep a regular check on the development of one of the body’s most vital organs – the lungs. Lung Function Tracker is the product of an international collaboration involving researchers at KI, the University of Barcelona, Spain, the Imperial College London, the UK, and the University of Melbourne, Australia.
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One in three children who suffer from bacterial meningitis live with permanent neurological disabilities due to the infection. This is according to a new epidemiological study led by Karolinska Institutet and published in leading medical journal JAMA Network Open.
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A common practice in the Nordic countries has sparked conversations on social media, namely to let babies nap outside in strollers all year around including in subzero tempratures. Pictures and videos on social media of babies sleeping outside have left some viwers wondering if it is safe and if there are any benefits. Tobias Alfvén was invited to Swedish Radio to answer some of the questions around the practice.
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Impaired cognition among preschoolers born very early can be predicted already at discharge from neonatal care. This is according to a study from Karolinska Institutet, Sweden and University College Cork, Ireland published in the journal JAMA Network Open.
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The award is presented by the Pediatric research foundation ”Stiftelsen Barnforskningen” at the Astrid Lindgren Children’s hospital.
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Audience: Medarbetare
Medicinsk epidemiologi och biostatistik

Children of a parent with alcohol or drug use disorder have a greater risk of intellectual disability, even if the problem only lies with the father, researchers from Karolinska Institutet report. According to the study, which is published in the journal eClinicalMedicine, preventive measures should be directed at both parents.
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Children of parents with mental illness are at increased risk of being born too early, especially if it is stress-related, and both the mother’s and the father’s mental health seem to be of importance. This is according to a register-based study from Karolinska Institutet published in PLOS Medicine.
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Bipolar disorder underlies roughly five percent of all suicides among young people. Previous studies also show that there is often a long delay between the onset of bipolarism and its correct diagnosis and treatment. Researchers at Karolinska Institutet now show that fewer boys commit suicide in Swedish regions where bipolar diagnoses are more common. The study, which is published in JAMA Psychiatry, could contribute to more proactive care for reducing the number of suicides.
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Juliet Mwanga-Amumpaire is a paediatrician and Associate Professor of paediatrics at Mbarara University with over ten years of experience conducting clinical research. She is currently the director of Epicentre Mbarara Research Centre run by Médecins Sans Frontières that conducts health related research aiming to guide policy for stakeholders in health. She recently pursued her PhD where she studied the quality of care at private health facilities in Uganda.
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Researchers from Karolinska Institutet and Sachs’ Children and Youth Hospital have mapped the immune system in the gut of children with inflammatory bowel disease (IBD). The results, which were published in Cell Reports Medicine, can be used to design more targeted therapies.
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The newborn care researchers in the team Global Child Health and Sustainable Development Goals, have visited research colleagues at the Phu San Hospital in Hanoi, Vietnam. The visit included meetings with the director and vice-director of Phu San, Dr Nguyen Duy Anh and Dr Nguyen Thi Thu Ha, visits to hospital departments, presentation of ongoing and upcoming research, workshops, simulation trainings and planning of studies including the NeoSpirit project and future Vietnamese PhD candidates.
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Medical sleep treatment may reduce self-harm in young people with anxiety and depression, an observational study from Karolinska Institutet suggests. The risk of self-harm increased in the months preceding melatonin prescription and decreased thereafter, especially in girls. The study is published in The Journal of Child Psychology and Psychiatry.
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Infants whose mothers have used snus (a moist oral tobacco product) during pregnancy run three times the risk of sudden infant death, according to a comprehensive registry study from Karolinska Institutet published in the journal Pediatric Research. The risk was much lower if the mother had stopped taking snus before the first antenatal visit. The researchers conclude that all types of nicotine products should be avoided during pregnancy.
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This year's first edition of Barnläkaren, the Swedish Paediatric Assosiaction's magazine, is published. The theme of the latest issue is global health and the Global Child Health and Sustainable Development Goals research team leader Tobias Alfvén was the guest editor. Download the paper to read about the research from the child health team members.
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Nataliia Petryk ran a private clinic in Kyiv helping women give birth when she was forced to flee Ukraine when Russia invaded her country. By following a call by the European Research Council for EU teams to take in Ukrainian scientists, she is now able to conduct research to prevent miscarriage at Karolinska Institutet. Her experience is an example of how science knows no borders.
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The newborn care researchers in the global child health and sustainable development goals team have had a visit from research colleagues at the Phu San Hospital in Hanoi, Vietnam, November 23-26. The visit included workshops on ongoing and upcoming collaborations and studies including the NeoSpirit project and planning for future Vietnamese PhD candidates as well as visiting hospitals.
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An observational study at Karolinska Institutet shows that babies suffering oxygen-deficiency complications at birth are almost twice as likely to develop cardiovascular disease during childhood and early adulthood as those without such complications. Still, the absolute risk of cardiovascular disease is very low in young age. The findings are published in the journal The Lancet Regional Health – Europe.
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Screening programmes for childhood hearing loss need to become better at collecting data and measuring outcomes in order to increase quality, such as improving the percentage of follow-ups, a new thesis from Karolinska Institutet reports.
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During the Annual pediatric IBD meeting in Örebro on September 29-30, Jonas F Ludvigsson received this year’s honorary award "the Gut Feeling" SPGHN, the Swedish Association for Pediatric Gastroenterology, Hepatology and Nutrition, amidst the cheers of the audience. The prize is awarded after voting by pediatricians in Sweden.
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The research team Global Child Health and the Sustainable Development Goals in collaboration with the Nobel Prize Museum hosted a seminar on global child health as part of the Nobal Calling Stockholm week. Juliet Mwanga-Amumpaire from Mbarara University in Uganda and Tobias Alfvén, associate professor at the Department of Global Public Health, discussed why five million children die every year and what is needed for more children to survive.
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Children with certain immunodeficiency diseases carry mutations in genes that regulate the body’s immune system against viral infections and they have a higher mortality rate due to COVID-19. This is according to a study by researchers from Karolinska Institutet, published in the Journal of Allergy and Clinical Immunology.
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Conflict causes deaths and injuries, as well as health consequences from the displacement of populations, breakdown of health services and an increased risk of disease transmission. But in DRC that has suffered from conflict and instability for decades, conflict alone is a poor indicator for child health. In his study, Mattias Schedwin, compares coverage of key child health policy indicators across provinces in DRC and their association with child mortality and level of conflict in the country.
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To track and analyze caesarean section trends and thus improve maternity care, the Robson classification is used worldwide. A study from Karolinska Institutet in Sweden shows differences between Sweden and Canada, and that the classification system can be further developed to take into account more important variables. The study, published in PLOS Medicine, may contribute to improved and more equal maternity care in the future.
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