Teens from larger families have poorer mental health than those with fewer siblings, according to a large analysis of children in the United States and China. The details of the pattern vary depending on factors such as the spacing of sibling ages and the age of the siblings. But the fact that the overall pattern […]

Restricting calories is known to improve health and increase lifespan, but much of how it does so remains a mystery, especially in regard to how it protects the brain. Scientists have now uncovered a role for a gene called OXR1 that is necessary for the lifespan extension seen with dietary restriction and is essential for […]

The Host Julie Rovner KFF Health News @jrovner Read Julie’s stories. Julie Rovner is chief Washington correspondent and host of KFF Health News’ weekly health policy news podcast, “What the Health?” A noted expert on health policy issues, Julie is the author of the critically praised reference book “Health Care Politics and Policy A to […]