Levothyroxine is a lab-made form of thyroid hormone that helps your body access the amount of the hormone it needs. Hypothyroidism has many possible symptoms, including weight gain. Once you're taking ...

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 ...

Levothyroxine, a drug used to treat hypothyroidism, can lead to reduced bone mass and density in older adults with normal thyroid levels, a small cohort study has shown. Researchers from Johns Hopkins ...

Shot of a young male doctor talking with older male patient. Source: Getty Images The researchers used the Baltimore Longitudinal Study of Aging, a prospective cohort study of community-dwelling older ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A widely prescribed thyroid medication called levothyroxine may cause ...

Kristen Fischer has written for numerous health publications, hospitals, and medical companies, and is a member of the Association of Health Care Journalists. Levothyroxine, a common medication for ...

Levothyroxine (LT4) therapy for hypothyroidism is traditionally dosed at 1.6 μg/kg of actual body weight (ABW). However, ABW-based dosing often fails to proportionally adjust for increasing body ...

Levothyroxine, the second most commonly prescribed medication among older adults in the U.S., may be associated with bone loss, according to a study being presented next week at the annual meeting of ...