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Placenta problems associated with ADHD

A University of Iowa study suggests the placenta-brain axis plays a role in neurodevelopment, with low placental growth factor (PlGF) levels linked to higher odds of ADHD diagnosis in children. The study found that low PlGF levels in the third trimester were associated with a higher risk of ADHD diagnosis in children.

SourceUniversity of Iowa Health Care·JournalJAMA Psychiatry·TypeObservational study·DateSep 30, 2026

High prevalence of neurodiversity among young people diagnosed with type 2 diabetes, suggests study of over 6 million people

A study of over 6 million people found that individuals diagnosed with type 2 diabetes before the age of 20 were more likely to have ADHD (14%) and autism (5.7%) compared to those without T2D. This suggests that healthcare systems may need to consider the needs of neurodivergent people when providing care for early-onset T2D.

Does paracetamol/acetaminophen use in pregnancy increase the risk of neurodevelopmental disorders in children?

A recent review of 3 million participants found small positive associations between prenatal paracetamol exposure and autism and ADHD, but these associations weakened with higher-quality studies. The evidence does not support a causal link between paracetamol use during pregnancy and neurodevelopmental disorders in children.

SourceWiley·JournalDevelopmental Medicine & Child Neurology·DateSep 23, 2026

FIU study finds brain differences linked to obesity risk in preschoolers

A new study from Florida International University found that preschoolers with a higher body mass index (BMI) showed differences in brain regions involved in reward, taste, and hunger. The study suggests that the relationship between obesity risk and brain development may begin years earlier than previously thought.

SourceFlorida International University·JournalScientific Reports·TypeObservational study·DateSep 22, 2026

Visual aids help school-aged children with ADHD recount stories

A new study from OIST found that children with ADHD retell less complete stories than their peers, but visual aids help reduce the gap. The study highlights the importance of visual aids in creating inclusive learning and social environments for school-aged children with ADHD.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalResearch on Child and Adolescent Psychopathology·TypeExperimental study·DateSep 10, 2026

People with ADHD more likely to suffer from gut problems, major review finds

Researchers analyzed data from 23 studies and found a strong association between ADHD and gastrointestinal symptoms, including constipation, IBS, and loss of bowel control. The study suggests that doctors treating people with ADHD should be alert to gut symptoms and consider referring patients to a dietitian or gastroenterologist.

SourceUniversity of Warwick·JournalJournal of Attention Disorders·TypeMeta-analysis·DateSep 10, 2026

Study suggests the profile of people diagnosed with ADHD and autism has changed over the past decade

A Danish study found that children and adolescents diagnosed with ADHD or autism today share more characteristics with their peers in the general population than those diagnosed a decade ago. The differences in characteristics such as pregnancy-related factors, family socioeconomic factors, and healthcare use before diagnosis have decr...

SourceBarcelona Institute for Global Health (ISGlobal)·JournalJAMA Psychiatry·TypeCase study·DateSep 10, 2026

Pennington Biomedical and Minnesota HealthSolutions awarded NIH grant to develop digital driving safety platform for teens with ADHD

Researchers are developing a smartphone-based platform that combines driving data, personalized coaching and parent engagement strategies to improve driving safety for teens with ADHD. The platform will use telematics to monitor driving behaviors while allowing parents and teens to set shared goals and track progress.

Imaging shows increased brain aging across different brain disorders

A study published in PLOS Medicine found that people with dementia, mild cognitive impairment, alcohol addiction, or psychiatric disorders like schizophrenia show increased brain aging patterns. The researchers analyzed MRI data from over 45,900 controls and compared them to 2,698 patients with different brain conditions.

SourcePLOS·JournalPLOS Medicine·TypeObservational study·DateJul 21, 2026

Leading ADHD medications found to be equally effective in children, with one key difference

A recent study published by the University of Sydney found that dexamphetamine and methylphenidate are equally effective in treating ADHD in children, with no significant differences in symptom improvement. However, children taking dexamphetamine experienced greater weight loss compared to those taking methylphenidate.

SourceUniversity of Sydney·JournalJournal of Paediatrics and Child Health·TypeRandomized controlled/clinical trial·DateJul 15, 2026

New paper suggests experts should focus on a “Neurodevelopmental spectrum” to support children rather than considering conditions like ADHD and autism in isolation

Researchers propose a new approach to supporting children with neurodevelopmental conditions by considering the broader neurodevelopmental spectrum. The study identifies a common underlying dimension that reflects the constellation of traits characterizing these conditions across development.

SourceQueen Mary University of London·JournalMolecular Psychiatry·TypeLiterature review·DateJul 2, 2026

ADHD and autism diagnoses have increased. New study points to broader diagnoses as an explanation

A new study from the University of Copenhagen found that people diagnosed with ADHD or autism in recent years have a lower genetic predisposition than those diagnosed earlier. The study suggests that today's diagnoses encompass a broader group of individuals and milder symptom profiles. This shift is attributed to changes in diagnostic...

SourceUniversity of Copenhagen·JournalJAMA Psychiatry·DateJul 1, 2026

Psychedelics and ADHD

Researchers from Wroclaw Medical University analyzed the available literature on psychedelics and ADHD. While some studies reported short-term improvements, these findings cannot determine treatment efficacy due to study design limitations. The current evidence is insufficient to support psychedelics as a treatment for ADHD.

SourceWroclaw Medical University·JournalInternational Journal of Molecular Sciences·TypeLiterature review·DateJul 1, 2026

Breastfeeding may protect against ADHD symptoms

A new study from the University of Bergen shows an association between breastfeeding up to six months of age and a reduced risk of ADHD symptoms. Exclusive breastfeeding during this period appears to offer the strongest protective effect, with clear but moderate benefits observed even after adjusting for genetic risk factors.

SourceThe University of Bergen·JournalBiological Psychiatry·TypeData/statistical analysis·DateJun 26, 2026

New study reveals best dosage for ADHD medications

A new study has identified the most effective dosages for five commonly used ADHD medications using data from thousands of participants. The research, published in The Lancet Psychiatry, provides a comprehensive view of dosage effects and developed an online tool to help clinicians and patients choose the right dosage.

SourceUniversity of Southampton·JournalThe Lancet Psychiatry·TypeMeta-analysis·DateMay 14, 2026

Group averages obscure how an individual’s brain controls behavior, Stanford Medicine study finds

A new Stanford Medicine study shows that brain-scan averages obscure individual brain dynamics, particularly in children with attention-deficit/hyperactivity disorder. By analyzing data from over 4,000 children, researchers found distinct patterns of brain activity when data is analyzed individually versus as a group.

SourceStanford Medicine·JournalNature Communications·TypeObservational study·DateApr 27, 2026

Age at first ADHD diagnosis and educational outcomes

A cohort study found that individuals diagnosed with ADHD at a younger age tended to perform better academically, receiving more education and experiencing lower dropout rates compared to those diagnosed closer to age 16. This suggests that targeted support for early diagnoses could help prevent school dropout.

SourceJAMA Network·JournalJAMA Psychiatry·DateApr 8, 2026

TikTok’s mental health ‘minefield’

A systematic review of social media platforms reveals that TikTok contains a substantial proportion of misleading information about mental health and neurodivergence, with higher rates of misinformation than other platforms. The study emphasizes the importance of credible sources and evidence-based content to combat spreading false ide...

SourceUniversity of East Anglia·JournalJournal of Social Media Research·TypeSystematic review·DateMar 19, 2026

No overdiagnosis of ADHD, say experts

Experts warn that the lack of adequate diagnosis and treatment for ADHD is a pressing concern, with 27% of children and young people waiting over a year for an assessment. Effective treatments are available and backed by strong evidence, but significant barriers remain, including long waiting times and growing demand.

SourceUniversity of Southampton·JournalThe British Journal of Psychiatry·DateMar 10, 2026

Maternal acetaminophen use and child neurodevelopment

A study in Taiwan found a positive association between maternal prenatal acetaminophen use and increased risk of attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorders (ASDs) in offspring. However, associations were not observed in sibling-matched analyses, suggesting unaddressed sources of bias.

SourceJAMA Network·JournalJAMA Pediatrics·DateMar 9, 2026

Doubling of new prescriptions for ADHD medications among adults since start of COVID-19 pandemic

New prescriptions for stimulants among adults with ADHD more than doubled since the COVID-19 pandemic, with the largest increases among younger adults. The trend is driven by improved recognition and treatment of ADHD in adulthood, as well as increased access to care and virtual health services.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateMar 9, 2026

Updated "Treating and Preventing Adolescent Mental Health Disorders" published by Oxford

The updated edition provides a comprehensive overview of major mental health conditions that emerge during adolescence, discussing treatment strategies and prevention methods. The book emphasizes the importance of addressing stigma, promoting evidence-based treatments, and integrating positive youth development into policy agendas.

“My thoughts end up in the wrong place. They start to get all jumbled up where I should be concentrating.”

Researchers at Norwegian University of Science and Technology conducted an interview study with two students with inattentive ADHD to understand their experiences with autonomous learning. The study found that despite challenges, both students reported increased motivation and joy when given the freedom to choose their learning activit...

SourceNorwegian University of Science and Technology·JournalFrontiers in Psychology·TypeObservational study·DateJan 20, 2026

What if ADHD risk isn’t fixed at birth, but shaped by how early environments interact with a child’s sensitivity?

A longitudinal study of 125 children found that early environmental factors can predict ADHD, with infants showing high motor activity benefiting from rich home environments. This sensitivity is linked to better cognitive functioning and fewer ADHD symptoms in later childhood.

SourceBen-Gurion University of the Negev·JournalInfant and Child Development·TypeObservational study·DateJan 8, 2026

Familial patterns in criminal conviction risk observed among individuals with ADHD

A large-scale study found that individuals with ADHD are at higher risk of being convicted of crimes compared to those without ADHD. Relatives of individuals with ADHD also show increased risk, even if they themselves do not have ADHD. Early identification and treatment of ADHD in high-risk families may help mitigate these risks.

SourceElsevier·JournalBiological Psychiatry·TypeData/statistical analysis·DateDec 15, 2025