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The Battle to Breathe

Once a death sentence, cystic fibrosis now has a life-saving treatment. Follow the decades-long scientific quest, fueled by desperate parents, that led to this revolutionary breakthrough.

Wednesday, September 16th, 9PMwatch

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Sep 23

9 PM ET/PT

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long dark cave with mine cart track down the middle

Egypt's Tombs of Amun

Human: Origins

Spacecraft passing in front of the moon with the Earth in the background

Return to the Moon

Pluto and Beyond

Chasing Pluto

Ancient Desert Death Trap

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Watch Page

Hero Area

The Battle to Breathe

Upcoming Schedule

Knowledge Keepers

Stone Age Masterpiece

Space Wars

Episodes

Egypt's Tombs of Amun

Human: Origins

Return to the Moon

Pluto and Beyond

Chasing Pluto

Ancient Desert Death Trap

Shorts

What Dating Apps Know About You

These cheeses are at risk of going extinct

How A.I. is fighting wildfires

Is your phone listening to you?

The Deepest Underground Lab in the U.S.

The Battle to Breathe: The Last 10%

Watch Page

Hero Area

The Battle to Breathe

Upcoming Schedule

Knowledge Keepers

Stone Age Masterpiece

Space Wars

Episodes

Egypt's Tombs of Amun

Human: Origins

Return to the Moon

Pluto and Beyond

Chasing Pluto

Ancient Desert Death Trap

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Shorts

What Dating Apps Know About You

These cheeses are at risk of going extinct

How A.I. is fighting wildfires

Is your phone listening to you?

The Deepest Underground Lab in the U.S.

The Battle to Breathe: The Last 10%