Lang Lang

The Trump administration is moving forward with what EPA Administrator Lee Zeldin calls the "largest deregulatory action in U.S. history," aiming to undo 31 environmental regulations. The changes include reconsidering greenhouse gas dangers, cutting emissions standards, and shutting down the EPA's environmental justice division—moves critics say could have lasting health and environmental consequences. New research suggests a connection between oral bacteria and Alzheimer's disease, raising concerns for those with poor dental health. With nearly 700 species of bacteria in our mouths, experts say maintaining good oral hygiene could benefit both heart and brain health. Dr. Celine Gounder, CBS News medical contributor, joins us to explain what this means. From sold-out performances to a star on the Hollywood Walk of Fame, Lang Lang continues to shape the music world. When Lang Lang isn't on stage, his international foundation provides instruments and teaching materials to underserved schools, helping build the next generation of musicians.