Extra life: a short history of living longer

The Long Ceiling

Variolation and Vaccines

Data

Pasteurization and Chlorination

Testing

Antibiotics

Safety

Hunger.

Introduction. Twenty thousand days

The long ceiling: measuring life expectancy

The catalogue of evils : variolation and vaccines

Vital statistics : data and epidemiology

Safe as milk : pasteurization and chlorination

Beyond the placebo effect : drug regulation and testing

The mold that changed the world : antibiotics

Egg drops and rocket sleds: automobile and industrial safety

Feed the world : the decline of famine

Conclusion. Bhola Island, revisited.