This Week in Pediatrics
Contemporary Pediatrics – Clinical News & Pediatrician Practice Tips
... Maternal high egg and peanut intake in pregnancy and lactation did not lower infant IgE-mediated egg or peanut allergy at 1 year in PrEggNut. ... Stephen Bondi, JD, MD, FAAP, discusses pediatric malpractice risks and the importance of ...
JAMA Pediatrics – The Science of Child and Adolescent Health
Explore the latest in child health including food and nutrition, Kawasaki disease and C difficile, effects of media, and more. Formerly Archives of
Pediatrics | American Academy of Pediatrics
Pediatrics Blog · | October 09 2026 · Narrow-Spectrum Antibiotics in Children With Medical Complexity · Pediatrics Blog · | October 08 2026 · When Guidelines Meet the Real World: The Subthreshold Phototherapy Dilemma · Pediatrics Blog ...
Research of the Day
Iron Deficiency in Infancy and Long-Term Cognitive Outcomes: 10-Year Follow-Up
This prospective cohort followed children with iron deficiency anemia in infancy through age 10, comparing cognitive outcomes to iron-sufficient peers. Despite iron repletion in infancy, children with early anemia showed persistent differences in executive function and spatial memory.
Key findings: (1) Early iron deficiency associated with lower scores on math and reading assessments; (2) Differences in brain structure observed on MRI at age 10; (3) Duration of deficiency correlated with magnitude of effect.
Emphasize prevention through dietary counseling and appropriate screening. Iron-rich complementary foods should be introduced at 6 months. Consider iron supplementation in high-risk populations.
Popular Beliefs
Vaccines cause autism
What the evidence shows: This thoroughly debunked claim originated from a fraudulent 1998 study. Multiple large-scale studies involving millions of children have found no association between vaccines and autism. The original study was retracted and its author lost his medical license. Vaccines are safe and essential.
Green mucus means bacterial infection requiring antibiotics
What the evidence shows: Mucus color changes naturally during viral infections and does not reliably distinguish viral from bacterial causes. Green/yellow mucus indicates immune cell activity, which occurs in both viral and bacterial infections. Antibiotics should be prescribed based on clinical criteria, not mucus color.
Eating carrots dramatically improves vision
What the evidence shows: While carrots contain vitamin A important for eye health, eating extra carrots won't improve normal vision or eliminate the need for glasses. Vitamin A deficiency can cause vision problems, but this is rare in developed countries with varied diets.
Behaviors
Musical Training and Brain Development in Children: Longitudinal Neuroimaging Study
This 3-year study compared brain development in children receiving musical instrument training versus those doing sports or no organized activity. Music training was associated with enhanced auditory processing, motor coordination, and executive function networks.
Key findings: (1) Increased cortical thickness in auditory and motor regions; (2) Better performance on working memory and attention tasks; (3) Benefits correlated with practice duration.
Music education offers cognitive benefits beyond artistic development. When families ask about extracurriculars, mention music as a brain-healthy option. Benefits appear even with modest practice time.
Genetics
Genetic Risk Screening for Type 1 Diabetes: Prevention Trial Update
Large-scale genetic screening of newborns identifies high-risk children for T1D prevention trials. Early results suggest immune modulation in high-risk children may delay or prevent onset of diabetes.
Key findings: (1) 5% of screened infants fall into high-risk category; (2) Early intervention delayed onset by average 3 years; (3) Screening acceptable to most families when explained appropriately.
T1D prevention is moving from research to clinical reality. Stay updated on trial availability. For families with T1D history, genetic counseling and risk assessment may be appropriate for siblings.