One expert warns of “unintended downsides,” including overuse of only modestly effective medications. By Paula Span Juli Engel was delighted when a neurologist recommended a PET scan to determine ...

In a disturbing experiment, imaging and facial recognition technologies were used to match research subjects to their M.R.I. scans. By Gina Kolata Thousands of people have received brain scans, as ...

Reports have swirled for days of Google paying people $5 in gift certificates to scan their faces, and now it's clear just why: it's for the Pixel 4. Google has confirmed to The Verge that the paid ...