Researchers said coffee or tea may impact the risk of stroke and dementia

Living Smart

To study the impact of coffee or tea on the risk of stroke and dementia, researchers studied 365,682 participants aged 50 and 74 at the UK Biobank. Biobank is a global health service that collects blood, urine, saliva, and other health information for research purposes.

Courses were selected between 2006 and 2010 and taken by 2020. During the study period, 5,079 people developed mental illness, and 10,053 people suffered at least one stroke.
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Consumption of coffee and tea was reported by participants at the start of the experiment. After adjusting for various factors that may affect the risk of stroke or dementia, including gender, age, race, body weight, physical activity, smoking, and pre-existing conditions, the researchers found:

  1. People who drink two to three cups of coffee, three to five cups of tea, or four to six cups of coffee and tea a day are less likely to have a stroke or dementia.
  2. Two to three cups of coffee with two to three cups of tea a day are associated with a 32% lower risk of stroke and a 28% lower risk of dementia compared to those who do not drink coffee or tea.
  3. Drinking coffee alone or with tea has been linked to an increased risk of dementia after stroke. Post-stroke dementia is a condition in which symptoms of post-stroke dementia appear.

Scientists recognize the limitations of research. Since fewer people developed mental illness or stroke during the study, it can be difficult to predict what will happen to a larger population. Additionally, this experiment was found to be positive and did not establish a relationship, although coffee and tea consumption was associated with lower rates of dementia, stroke, and post-stroke dementia.

Although cause and effect have not been established from this, an explanation must be made with brain-boosting caffeine, which affects our mind and makes us alert. Dr. Scharre, who is not involved in the study, said. “Stroke and dementia are two mental illnesses. Brain stimulation can affect brain retention and slow down dementia,” he said. Caffeine appears to have some effect on stroke risk, but people who consume caffeine are more likely to find ways to reduce stroke and dementia risk, Scharre said.

Article reference: The study was published in the journal PLOS Medicine.

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