This Week in Pediatrics
Pediatrics group issues new guidance on recess for the first time in 13 years | CNN
It’s crucial to good health and good grades for kids of all ages. That’s the message from a leading pediatricians group, which just released the first new guidance in 13 years about this unstructured time at school and how it needs to be protected. The updated policy statement by...
Pediatrics group issues new guidance on recess for the first time in 13 years
It’s crucial to good health and good grades for kids of all ages. That’s the message from a leading pediatricians group, which just released the first new guidance in 13 years about this unstructured time at school and how it needs to be protected. The updated policy statement by...
Pediatricians group finds kids of all ages need regular recess for physical and mental health
PUBLISHED: May 11, 2026 at 6:30 AM PDT | UPDATED: May 11, 2026 at 6:40 AM PDT · Getting your Trinity Audio player ready... By LAURA UNGAR, AP Medical Writer · Recess isn’t just a fun break for grade schoolers. It’s crucial to good health and good grades for kids of all ages. That...
Research of the Day
Bedtime Screen Use and Sleep Quality in School-Age Children: Actigraphy Study
Using wrist actigraphy and sleep diaries, this study objectively measured sleep in 800 children ages 6-12 with varying bedtime screen habits. Screen use within 1 hour of bedtime significantly delayed sleep onset and reduced total sleep time.
Key findings: (1) 30-minute average delay in sleep onset with bedtime screens; (2) 45-minute reduction in total sleep time; (3) Blue light filtering partially but not fully mitigated effects.
Recommend screen-free wind-down periods of 1+ hours before bed. Counsel families on device-free bedrooms. Address screen habits as part of sleep hygiene discussions.
Popular Beliefs
The flu shot can give you the flu
What the evidence shows: Flu vaccines contain inactivated virus or viral proteins that cannot cause influenza infection. Some people experience mild side effects (sore arm, low-grade fever) that mimic illness. It takes 2 weeks for protection to develop, so some may get infected before the vaccine works.
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.
Cold weather causes colds
What the evidence shows: Colds are caused by viruses, not cold temperatures. The association exists because people spend more time indoors in close proximity during winter, facilitating viral transmission. Additionally, dry indoor air may impair mucosal barriers. Hand hygiene and avoiding sick contacts are the real prevention strategies.
Behaviors
Early Pet Exposure and Immune Development: Birth Cohort Study
This birth cohort followed 1,200 children from birth to age 5, comparing immune development and allergy rates in homes with and without pets. Early pet exposure was associated with reduced allergy risk and altered gut microbiome.
Key findings: (1) 30% lower allergic sensitization with dog exposure in first year; (2) Cat exposure showed similar but smaller effects; (3) Microbiome diversity increased in pet-exposed children.
Reassure families that pet exposure during infancy may actually protect against allergies. For families without pets, don't specifically recommend getting one, but dispel the myth that pets must be removed to prevent allergies.
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.