The latest Barbie to debut is packing insulin and a glucose monitor along with her high heels and fancy frocks. Meet Type 1 Diabetes Barbie, the newest addition to the Barbie pantheon.

But staying the course was not an option. Barbie sales plummeted 20% from 2012 to 2014 and continued to fall last year. A line of toys designed to teach girls to build, Lego Friends, helped boost ...

Mattel has introduced its first Barbie doll with representing someone with Type 1 diabetes. The doll, part of the ...