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A cup of tea or hot cocoa is good for your brain, according to science – Health News Today – Nasqhino
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Health News Today

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A cup of tea or hot cocoa is good for your brain, according to science – Health News Today

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  • Drinking hot cocoa might have benefits for your brain, according to a small new study. 
  • That’s because flavanols, a type of nutrients found in plants, could help boost your blood oxygen levels, which is linked to better cognitive health and performance, and improve heart and circulatory health. 
  • Flavanols are also found in tea, apples, berries, red wine, and some vegetables like onions, kale, and hot peppers.
  • Visit Insider’s homepage for more stories.

A cup of hot cocoa is not just a welcome treat on a cold winter’s day, but could also help boost your brain power, a small new stu suggests.  

Flavanols, a type of nutrient in cocoa, can improve blood oxygen levels in the brain and are linked to cognitive benefits, according to a small study published this week in Scientific Reports. 

Researchers from the University of Birmingham and the University of Illinois at Urbana-Champaign looked at 18 healthy adult men who completed two increasingly difficult cognitive tests. The participants were tested after receiving either a cocoa drink high in flavanols, or a placebo drink of processed cocoa without flavanols. 

The study found participants who drank the flavanol-rich cocoa performed significantly better on the cognitive tests, completing them 11% faster on average compared to when they drank the placebo. 

Cocoa could boost blood flow to improve mental performance

The researchers also tested the blood oxygen levels of participants during the tests by having them breathe a higher concentration of carbon dioxide, a procedure that helps measure the blood flow response in the brain. 

They found participants had better oxygen levels in their brains after consuming the flavanols. These findings suggest that flavanols could benefit cognitive ability by improving blood flow and increasing the amount of oxygen in the brain. 

“Our results showed a clear benefit for the participants taking the flavanol-enriched drink – but only when the task became sufficiently complicated,” Dr. Catarina Rendeiro, lead author of the study and nutrition lecturer at the University of Birmingham, said in a press release.  “We can link this with our results on improved blood oxygenation – if you’re being challenged more, your brain needs improved blood oxygen levels to manage that challenge. 

Previous research supports the health benefits of flavanols

While this study is small, it is supported by existing evidence that flavanols have cognitive benefits.

A 2017 study found that flavanol-rich cocoa was linked to improved blood flow, including in the brain, which was found to benefit memory, processing speed, attention, and overall mental performance.

Cocoa in particular has been linked to lower risk of Alzheimer’s disease and stroke, according to a 2013 study. 

There’s also evidence that flavanol-rich foods, including cocoa and tea, have benefits for blood flow through the body, including reducing blood pressure as effectively as specialized…


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