Hypothyroidism, or an underactive thyroid gland, develops when the thyroid gland does not produce enough hormones. This can slow your metabolism, causing you to feel tired, sensitive to cold, and gain weight.
During the study, the experts reviewed the medical records of 7,843 people with dementia and compared them with those of 7,843 people without the disease. The mean age of the participants was 75. It was revealed that 102 people had hypothyroidism and 133 people had hyperthyroidism. However, the second diagnosis was not associated with senile dementia.
In addition, 68 (ie 0.9%) of the dementia patients had hypothyroidism. This diagnosis was observed in 34 (0.4%) people without dementia. After controlling for other factors, people over 65 with hypothyroidism were 80 percent more likely to develop dementia than people of the same age without dementia.
Also, patients who took drugs for hypothyroidism were three times more likely to develop senile dementia.
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Source: Ferra
