This podcast discusses two intriguing research studies. The first examines the potential of metformin as a protective drug against aging, highlighting its potential benefits in extending lifespan and minimizing mortality risk for type 2 diabetes patients. The second study explores the surprising impact of beliefs on drug efficacy, suggesting that our beliefs can influence biological responses even in the absence of actual drug changes. These findings underscore the complexity of scientific research, the need for critical thinking, and the fascinating connection between our beliefs and physical experiences.