This founder went from designing Happy Meal toys to making prosthetic skulls for a living ...

Entrepreneur Nancy Hairston founded 3D medical-design company MedCAD after designing McDonald’s Happy Meal toys and Bratz ...
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Little-known 'forever chemical' worsens liver disease in teens

Researchers linked a new PFAS chemical, PFHpA, to worsening liver disease in teens with obesity, raising fresh concerns about hidden toxins.