If you have a decades-old Barbie or Star Wars action figure, you’d better hope it’s in good condition. The collectible doll market is huge, and serious buyers are willing to part with some serious ...

This new Barbie has a continuous glucose monitor on her arm, held in place with heart-shaped pink tape. A small insulin pump ...

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