A young mother sits with her toddler playing on the floor, focusing on her phone.

A Parent’s Smartphone Time May Be Linked to Slower Vocabulary Growth in Children

A Norwegian study of 747 children found that greater primary-parent smartphone use was associated with slower growth in receptive vocabulary from ages 5 to 7. Most other measures of child and parent screen use were not consistently linked to language growth.

Adorable baby lying on a soft beige blanket in natural light.

Circumcision Does Not Raise a Boy’s Autism Risk, Study Finds

Tracking nearly 3000 American boys from birth, researchers found circumcised children were no more likely to be diagnosed with autism, and a raw gap that first hinted otherwise dissolved once family and regional differences were taken into account.