303 | James P. Allison on Fighting Cancer with the Immune System

1217.102 - 1245.652 James P. Allison

I mean, not only just going around in the blood and the lymph, but they actually go through your tissues. Screen your cells and see what's going on. Every of the remotest corner of your body is being surveilled, I guess the proper verb, by the immune system to make sure nothing's going awry. That's one of the reasons we're able to keep it all together without going completely bananas.