A study linked children's ultra-processed food intake to altered brain responses and subsequent weight gain. The findings intensify calls for warning labels and tighter restrictions on junk food advertising.

Children who eat more ultra-processed foods (UPFs) show stronger responses in the brain's reward network when viewing images of appetizing foods-and these brain responses are linked to increases in body fat one year later.

Children who eat more ultraprocessed foods (UPFs) show stronger responses in the brain's reward network when viewing images of appetizing foods—and these brain responses are linked to increases in body ...