A widely prescribed thyroid medication called levothyroxine may cause bone loss and increase the risk of the bone disease osteoporosis, according to new research—but this does not mean Americans ...

Widespread reports of side effects linked to changes in the formulation of the hypothyroidism drug levothyroxine (Levothyrox, Merck) in France have forced the company to put its previous formulation — ...

Subclinical hypothyroidism or hypothyroxinemia during pregnancy may be associated with impaired cognitive function in offspring. Do screening and treatment improve outcomes? New research findings are ...