TED: How humanity doubled life expectancy in a century | Steven Johnson

The video explores the dramatic increase in global life expectancy over the past century, highlighting key factors such as reduced infant mortality, vaccines, and scientific advancements. It discusses the geographical disparities in life expectancy and the impact of population growth on global issues like climate change. The video also examines the role of institutions and regulations in health innovations, using milk pasteurization as a case study. Finally, it considers future challenges and possibilities in extending human life, emphasizing the need for balanced decision-making and reducing health disparities.

What new insight or understanding did you gain from this video?