'Skin in the Game' by Nassim Nicholas Taleb explores the concept of risk and reward, emphasizing the importance of having personal stakes in the outcomes of one's decisions. The book delves into topics such as ethics, politics, and business, highlighting how real-world skin in the game can lead to better decision-making and accountability.

Nassim Nicholas Taleb is a renowned scholar, statistician, and former trader. He is best known for his work on risk and probability, particularly through his books 'The Black Swan,' 'Fooled by Randomness,' and 'Antifragile.' Taleb's writings often focus on the unpredictability of events and the importance of being prepared for the unexpected.

'Skin in the Game' discusses several key themes, including the ethics of risk-taking, the importance of accountability, the flaws in conventional wisdom, and the concept of asymmetry in decision-making. Taleb argues that those who take risks should also bear the consequences to ensure better and more ethical decisions.

'Outlive: The Science and Art of Longevity' by Peter Attia focuses on the importance of preventative medicine over reactive healthcare. The book delves into strategies and scientific principles that can help extend human life and improve health span.

Peter Attia is a physician specializing in the applied science of longevity. He is known for his work in preventative medicine and has a background in surgery, as well as expertise in nutritional biochemistry.

The main themes of 'Outlive' include the importance of preventative medicine, strategies to extend life span, and scientific principles to improve overall health. The book aims to shift focus from reactive healthcare to proactive measures that can enhance longevity and wellness.