Increasing life expectancy Why this stunning increase? Better sanitation:innovations like clean drinking water,and indoor plumbing Improved nutrition:before 18oos,many deaths were attributable to periodic famines Medical advances:antibiotics,obstetrics Bhattacharya,Hyde and Tu-HealthEconomics Bhattacharya, Hyde and Tu – Health Economics Increasing life expectancy Why this stunning increase? • Better sanitation: innovations like clean drinking water, and indoor plumbing • Improved nutrition: before 1800s, many deaths were attributable to periodic famines • Medical advances: antibiotics, obstetrics