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 ...

including medication and non-drug approaches, can make a real difference. An underactive thyroid can also affect metabolism — the process by which cells convert calories from food and drink into ...

Levothyroxine replaces the thyroid hormones a person’s body is not producing enough of. Taking more of this drug than someone needs may result in: Hypothyroidism may cause night sweats ...