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 ...

Levothyroxine is prescribed to treat hypothyroidism—an under-active thyroid—in approximately 23 million Americans, or 7 percent of the U.S. population, under various brand names, including ...

A popular thyroid medication taken by 23 million Americans may be associated with bone loss, a startling new study finds. Levothyroxine — marketed under brand names such as Synthroid — is the ...