Prologue : Lungs = life --

Part I : The past : the lungs shaped our beginnings, physically and spiritually. Oxygen, then existence --

We must inhale and exhale. But why? --

An infant's drive to breathe --

The extraordinary healing power of the breath --

Part II : The present : our lungs -- and us -- against the world. A window onto the immune system --

The lungs and the common good --

Nicotine seduction and stem cells --

Health is not the absence of disease : climate change --

Exposures unnecessary : time does not heal all wounds --

Part III : The future : the lungs provide a vision of what's to come. Curing the incurable --

Getting personal with the lungs --

The breath and the voice --

The miracle of lung transplant --

Part IV : Life, love, and the lungs. The greatest medical story never told --

Cystic fibrosis, the most heartbreaking lung desease.