American children’s health has declined profoundly over the past few decades, a new study shows, and the issues are so serious that children in the US are dying at a much higher rate than those in similar high-income countries.

Children's physical and mental health declined across multiple measures over the 17 years ending in 2023, according to new research led by the Children's Hospital of Philadelphia. Why it matters: The findings published Monday in JAMA offer some academic evidence to back up Health Secretary Robert F.