Each month our editorial team sifts through hundreds of papers and curates notable findings—for practitioners and informed readers who want to stay current with the evidence. Subscribe to the monthly Research Digest for expert analysis and concise summaries of key papers.
The authors pooled results from 61 cross-sectional studies to estimate how common ADHD is in children and adolescents worldwide. They found a pooled prevalence of 7.6% (95% CI 6.1–9.4%) in children aged 3–12 (from 96,907 children) and 5.6% (95% CI 4.8–7%) in adolescents aged 12–18. Prevalence estimates varied by age…
This 2020 systematic review looked at human and animal studies on physical exercise and brain plasticity. The authors screened 20,782 records and included 21 original studies. They reported that exercise was linked to higher levels of several neurotrophic factors and receptors, more cell growth and proliferation, and better measures of…
This retrospective study asked 85 people with ADHD and/or autism who had been prescribed weighted blankets about their sleep and daily routines. The participants reported that the blankets helped them fall asleep, sleep through the night, and relax during the day. Many also said their morning and evening routines (going…
This review says adult ADHD is varied and often happens with anxiety or depression. Many studies report high overlap, clear harms from having both, and many possible biological and cognitive causes. Treatments usually combine medicines with therapies like CBT or digital tools, but the causes are still not well understood…
ADHD is a lifelong brain-development condition that makes it hard to keep attention, plan and organize, control impulses, be still, or manage emotions. Some people are diagnosed as children, while others first seek diagnosis as adults when life becomes less structured or family members recognize the pattern. Many other problems…
