Apr. 7, 2026 A gene called KLF5 may be a key force behind the spread of pancreatic cancer—but not in the way scientists expected. Rather than mutating DNA, it rewires how genes are turned on and off, ...

A processed food is simply one that has been altered from its original form, and not all processed foods are unhealthy. Though there isn’t a single definition of “ultra-processed foods,” these foods ...