NOVA

How the Immune System Fights Cancer

Clip: Season 47 Episode 5 | 2m 49s Video has closed captioning.

Researchers discover how cancer masks itself from the immune system and figure out how patients’ immune systems can recognize cancer cells and attack them.

Aired: 04/01/20

Rating: NR

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Parenting is full of obstacles that can be hard to navigate—even without a toddler yelling at your face. There’s no instruction manual, which means discerning fact from fiction and reasonable from ridiculous can be maddening. That’s where Parentalogic comes in, a digital series from NOVA and PBS Digital Studios.

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