There is some evidence from Singapore that tea drinkers may be less likely to develop brain disorders such as dementia. Researchers discovered that Chinese elderly tea drinkers appeared to be less likely to develop dementia compared to non-drinkers.
“The links were observed specifically in women tea drinkers, and in drinkers who carry the APOE ε4 gene that has been linked with Alzheimer’s development”.
Some questions have been raised as to the statistical significance of these findings. The following NHS Choices Behind the Headlines critical appraisal cautions readers against drawing rash conclusions.
Tea not proven to ‘shield you against dementia’. London: NHS Choices; Behind the Headlines, April 7th 2017.
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Feng, L. Chong, MS. [and] Lim WS. [et al] (2016). Tea consumption reduces the incidence of neurocognitive disorders: findings from the Singapore Longitudinal Aging Study. Journal of Nutrition, Health and Aging. December 2016; 20(10): pp.1002-1009.