Social media platforms generate billions in annual ad revenue from U.S. youth
Social media platforms Facebook, Instagram, Snapchat, TikTok, X (formerly Twitter), and YouTube collectively derived nearly $11 billion in advertising revenue from U.S.-based users younger than 18 in 2022, according to a new Harvard Chan School study.
Improving accuracy of state-level obesity estimates to better inform prevention, treatment
A novel statistical method developed by Zachary Ward, assistant professor of health decision science at Harvard T.H. Chan School of Public Health, and colleagues gets around biases in self-reporting.
Improving global maternal mortality outcomes
Zachary Ward, research scientist in the Center for Health Decision Science, explains his recent pair of studies predicting trends in global maternal mortality and evaluating the effectiveness of interventions to curb maternal deaths.
Close to half of U.S. population projected to have obesity by 2030
About half of the adult U.S. population will have obesity and about a quarter will have severe obesity by 2030.
Nearly half of childhood cancers worldwide undiagnosed
Nearly half of all childhood cancers are not being diagnosed globally.
