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Can Tea Prevent Dementia? Alzheimer’s – Andrew Weil, M.D.

Can drinking tea daily can help prevent dementia? Find out what this recent study says about the best type of tea and how much to drink for the brain.

A recent study from Singapore suggests that drinking tea daily can cut the risk of dementia in half among people age 55 and over and reduce it even more among those genetically at risk for Alzheimer’s disease. Researchers from the National University of Singapore’s Yong Loo Lin School of Medicine found that drinking just one cup of tea a day proved protective in a study involving 957 Chinese men and women age 55 and older. Further, the more tea an individual drank, the stronger the protective effect. The team also linked drinking tea to an 86 percent reduced risk of developing Alzheimer’s among those who carried the APOE e4 gene, a hereditary influence that puts people at increased risk of the disease.

The researchers collected information about tea consumption from the study participants between 2003 and 2005, and checked the seniors every 2 years from 2006 to 2010 to assess their cognitive function. They also collected information about lifestyle, health, and their physical and social activity.

It didn’t matter what kind of tea the participants consumed – black, green or oolong – as long as it was real tea brewed from leaves of Camillia sinensis plant. The researchers attributed the reduced risk of cognitive problems to the bioactive compounds in tea, including catechins, teaflavins, thearubigins and L-theanine, all of which have anti-inflammatory and antioxidant potential that may help protect the brain. However, they wrote that their understanding of the detailed biological mechanisms underlying the reduced risk is “still very limited.”

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Source: Can Tea Prevent Dementia? Alzheimer’s – Andrew Weil, M.D.

Category : Aging, Eat & Thrive, Holistic You.
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