Vitamin D Foods May Reduce Alzheimer's Risk, But Which Are Best?

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2012-04-25 06:22

A new study suggests that eating more foods rich in vitamin D may reduce the risk of developing Alzheimer’s disease. This study joins others that point to dietary steps people can take to help ward off this devastating disease.

Can you eat your way past Alzheimer’s disease?

The aging population faces many health issues, and one of the most pressing is Alzheimer’s disease. While 5.4 million Americans currently have Alzheimer’s disease, it has been estimated this number will double by 2050. Worldwide, the number is expected to reach 106 million by 2050.

As the exact causes of Alzheimer’s disease are still unknown and no treatment has been found to be effective, people are looking for ways to help prevent or at least slow the disease. Dietary factors, including avoiding high cholesterol foods and following a Mediterranean diet and exercise, have often been named as being potential preventive measures.

In a new study from France, researchers evaluated 498 older women (average age, 79.8 years) who did not take vitamin D supplements. Investigators analyzed the women’s dietary habits regarding vitamin D intake and followed the volunteers for seven years.

The women who had the lowest intake of vitamin D (50 micrograms [mcg] per week) had a greater risk of developing Alzheimer’s disease when compared with women who had an intake of 59 mcg per week. Overall, women with the highest average intake of vitamin D from their diet had the lowest risk of Alzheimer’s disease.

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