Vitamin K lowers the risk of bleeding, including in a circumcision. That procedure may explain a disparity in which infants are more likely to get the shot.

A guideline treats heart disease, kidney disease, diabetes and obesity as connected conditions under one umbrella: CKM syndrome.

A new survey estimates 8 million young people use AI chatbots for help when stressed, angry or sad, an increase from 2024.

Identifying children with early signs of type 1 diabetes makes a difference to their health. A new study suggests wider screening is effective.