The tension at the heart of new healthcare tech

Zoë Meyers for BI This post originally appeared in the Business Insider Today newsletter. You can sign up for Business Insider's daily newsletter here. A little bit of blood. A short wait. A test for more than 50 different cancers. Grail's Galleri test sounds too good to be true. And with cancer on the rise among young people, a simple, noninvasive test done at home sounds like a breakthrough. Or is it? BI's health correspondent Hilary Brueck decided to see for herself and took the test. Wh...