Underactive Thyroid Not Linked to Memory Problems

Dr. Spyros Mezitis, an endocrinologist at Lenox Hill Hospital in New York City, said the study had a “robust” design. But because the results conflict with those of prior studies, they “need to be validated in research in separate settings” and with a trial that follows patients over time.

Cooking with Kathy Man

New findings contradict previous research suggesting that poor thyroid function might be tied to dementia.

Hypothyroidism, a condition that causes low or no thyroid hormone production, is not linked to mild dementia or impaired brain function, a new study suggests.

Although more research is needed, the scientists said their findings add to mounting evidence that the thyroid gland disorder is not tied to the memory and thinking problems known as “mild cognitive impairment.”

Some prior evidence has suggested that changes in the body’s endocrine system, including thyroid function, might be linked to Alzheimer’s disease and other forms of dementia, said researchers led by Dr. Ajay Parsaik, of the University of Texas Medical School in Houston.

Mild cognitive impairment, in particular, is thought to be an early warning sign of the memory-robbing disorder Alzheimer’s disease, the study authors said in a university news release.

In conducting the study, Parsaik’s team examined…

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