When you’re trying to learn something new, it is useful to create desirable difficulties. You want to work hard without getting to the point of frustration. That work will signal to your brain that ...

Researchers identified over 400 genes tied to various forms of frailty, offering fresh insight into why people age differently. The study highlights six distinct pathways of unhealthy aging, opening ...

Professor of Public Health and Preventive Medicine, University of Pennsylvania At a Senate hearing on Sept. 9, 2025, on the corruption of science, witnesses presented an unpublished study that made a ...