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'Sugar Coma' May Slow Down Your Brain: Study

A recent study has revealed that the side effects of sugar crash can slow down the functioning of the brain.

Sugar Coma May Slow Down Your Brain: Study

Study reveals that attention levels reduce after consumption of sugar


  1. Study suggests that sugar coma is a real phenomenon
  2. Sugar consumption affects the way our brain functions
  3. Increased sugar consumption can reduce your attention levels

Do you feel a little sluggish after eating sugar or a big meal? Or do you experience immense lathargy just after having a delicious dessert? You are probably feeling the effects of a sugar crash, which may slow down your brain function, a study suggests. In the study, participants demonstrated reduced attention and response times after consuming glucose or table sugar, compared to those who consumed fructose (fruit sugar) or artificial sweetener sucralose (the placebo).

"Our study suggests that the 'sugar coma' - with regards to glucose - is indeed a real phenomenon, where levels of attention seem to decline after consumption of glucose-containing sugar," Mei Peng, a lecturer at the University of Otago in New Zealand, told 'PsyPost'.

"In particular, how sugar consumption might change the way our brains work. In the case of sweetness perception, we have evolved to favour this taste," said Peng.

Previous research on glucose ingestion has linked it to improved memory performance. However, studies that examined the effect of glucose on other cognitive processes have led to mixed results.

In the latest study published in the journal Physiology & Behavior, 49 individuals consumed sweetened drinks containing either glucose, sucrose, fructose, or sucralose before completing three cognitive tests.

The tests consisted of a simple response time task and a measurement of arithmetic processing.

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The researchers also measured the participants' blood glucose levels during the testing. They found that participants who had consumed glucose or sucrose tended to perform worse on the cognitive tests than those who had consumed fructose or sucralose. 

(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)

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