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How does drinking tea affect our brains?
A recent study by the internationally renowned University of Cambridge and Wuyi University showed that regular tea consumption can significantly increase brain efficiency. It is the first research that examined the direct measurement of brain structure after drinking tea.
A study by the University of Cambridge and Wuyi University has now shown that drinking tea (green tea, oolong tea, black tea) has a positive effect on the structure of the brain. The results of the study were published in the English language journal "Aging".
Neural networks of the brain have been examined
For the study, the older healthy participants were divided into two groups according to their frequency of drinking tea. The researchers then examined both functional and structural neural networks to demonstrate the effects of drinking tea on the brain. As a result of drinking tea, suppression of hemispherical asymmetry in the structural interconnection network was observed. On the other hand, no significant effects of tea drinking on the hemispherical asymmetry of the functional neural connectivity network could be determined, the researchers report.
The effect is not due to individual components
Although individual components of the tea have already been linked to the role of maintaining cognitive abilities and preventing cognitive decline, a study of behavioral and neurophysiological measures showed that there was little or no effect when one component was administered alone report the researchers. A significant effect was only observed when all the components of a tea were consumed.
Combined effect of tea ingredients was significant
The superior effect of the combination was also demonstrated in comparative experiments in which tea and tea extracts were administered, the research group reports. A review of the effects of tea consumption on the prevention of Alzheimer's showed that a neuroprotective role of herbal teas was observed in eight out of nine studies.
Limitations from other studies
The majority of studies to date have assessed tea effects from the perspective of neurocognitive and neuropsychological measures, with direct measurement of brain structure or brain function being less well represented in the existing literature. These studies, which focused on regional brain changes, found no effects of tea on interregional interactions at the whole brain level.
Drinking tea contributes positively to increasing the efficiency of the brain structure
The research group emphasizes that the current study has now extensively investigated the effects of drinking tea on brain networking using multimodal image data. In this way, she was able to provide the first convincing proof that drinking tea makes a positive contribution to increasing the efficiency of the brain structure.
Other positive aspects of drinking tea
The researchers also refer to other literature that has shown that taking tea regularly is good for your health. For example, tea consumption should also help with stress and heart diseases and protect against cognitive decline and cancer. The many positive effects are due to ingredients in tea such as catechins, L-theanine and caffeine. (as)
Author and source information
This text corresponds to the specifications of the medical literature, medical guidelines and current studies and has been checked by medical doctors.
- Junhua Li, Rafael Romero-Garcia, John Suckling, Lei Feng: Habitual tea drinking modulates brain efficiency: evidence from brain connectivity evaluation, in Aging (query: 12.10.2019), Aging