This Week in Pediatrics
AAP Expands RSV Vaccine Recommendations for Vulnerable Children Entering Second Season
The American Academy of Pediatrics expanded its recommendations for immunization against respiratory syncytial virus (RSV) to include more children entering their second RSV season, citing evidence that certain medical conditions continue to ...
Pediatric Emergency Care
September 4, 2026 · Firearm injuries are a leading cause of pediatric mortality, but may not be adequately identified by International Classification of Diseases (ICD) codes. Natural language processing (NLP) could improve identification.
Measles Cases and Outbreaks | Measles (Rubeola) | CDC
However, vaccination coverage among U.S. kindergartners has decreased from 95.2% during the 2019–2020 school year to 92.4% in the 2025–2026 school year, leaving approximately 280,000 kindergartners at risk during the 2025–2026 school year.
Research of the Day
Duration of Breastfeeding and Childhood Obesity Risk: Meta-Analysis of 150 Cohort Studies
This comprehensive meta-analysis synthesized data from 150 cohort studies involving over 2.5 million children to examine the relationship between breastfeeding duration and obesity risk. Children breastfed for 6+ months showed a 22% reduction in obesity risk at ages 5-10 compared to never-breastfed children.
Key findings: (1) Each additional month of breastfeeding associated with 3% lower obesity odds; (2) Effects persisted after adjusting for socioeconomic status and maternal BMI; (3) Exclusive breastfeeding showed stronger effects than mixed feeding.
These findings strengthen breastfeeding support recommendations. Counsel expectant parents on breastfeeding benefits, ensure access to lactation support, and address barriers to continued breastfeeding.
Popular Beliefs
Organic food is significantly more nutritious
What the evidence shows: Organic foods have lower pesticide residues, but studies show minimal nutritional differences compared to conventional foods. What matters most for health is eating a variety of fruits and vegetables, whether organic or conventional.
Starve a fever, feed a cold
What the evidence shows: Neither fevers nor colds benefit from restricting food. Both conditions increase metabolic demands, and adequate nutrition supports immune function. Encourage normal eating as tolerated and emphasize hydration with any illness.
Children outgrow ADHD
What the evidence shows: While symptoms often change with age, approximately 60% of children with ADHD continue to have symptoms into adulthood. Hyperactivity typically decreases, but inattention and impulsivity often persist. Ongoing monitoring and treatment adjustment is important across the lifespan.
Behaviors
Green Space Exposure and Mental Health in Urban Adolescents
This longitudinal study followed 5,000 urban adolescents over 4 years, using GPS tracking to measure green space exposure. Greater exposure to parks and nature was associated with lower rates of depression and anxiety, independent of socioeconomic factors.
Key findings: (1) 20% lower depression risk with daily green space exposure; (2) Benefits dose-dependent—more exposure meant better outcomes; (3) Active use (sports, walking) showed greater benefits than passive exposure.
Encourage outdoor time as part of mental health promotion. For families in urban areas, identify nearby parks and green spaces. Nature exposure is an accessible, cost-effective mental health intervention.
Genetics
Gene Therapy for Congenital Hearing Loss: Breakthrough Trial
First successful gene therapy trial for DFNB9 deafness (otoferlin deficiency) shows restoration of hearing in children with previously profound hearing loss. Treated children gained ability to hear speech without cochlear implants.
Key findings: (1) 8 of 10 children gained functional hearing; (2) Benefit sustained at 18-month follow-up; (3) Earlier treatment showed better outcomes.
Genetic forms of deafness may become treatable. This changes the conversation with families about hearing loss prognosis. Genetic testing for hearing loss is increasingly important for treatment planning.