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Late start of menstruation may increase the risk of dementia



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Women, menstruation begins later, and those who enter early menopause may have an increased risk of developing dementia, researchers say.

The findings showed that women who had their first menstrual cycle at the age of 16 years and older had a 23 percent higher risk of developing dementia than women who had their first menstrual cycle in 13 years.

Women who have gone through natural menopause before the age of 47 had a 19 percent higher risk of developing dementia than women who have passed through menopause at age 47 or older.

In addition, women who have had a hysterectomy – surgery to remove all or part of the uterus – was eight per cent higher risk of dementia than those who did not, according to a study published in the journal Neurology.

"Estrogen levels can go up and down throughout the life of the woman Our results show that less exposure to estrogen throughout life is associated with increased risk of dementia," said Paolo Gilsanz, researcher at the Kaiser Permanente – United States-based medical company.

In the study, the researchers involved 6.137 women, among whom 42 percent later developed dementia.

"Because women are 50 percent more likely to develop dementia in their lifetime than men, it is important to examine all the risk factors that a & # 39 are specific to women, which may eventually lead us to a potential point of intervention," offered Gilsanz .

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