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All you chocolate fanatics, if you’re looking for an excuse to devour that bar of chocolate calling your name, then look no further as you may rest assured; a new study suggests eating chocolate at least once a week may ultimately boost cognitive function. It welcomes a host of benefits.
Dr. Georgie Crichton, of the Nutritional Physiology Research Centre at the University of South Australia, and colleagues documented their findings in the journal Appetite.
While chocolate is still perceived as an indulgent treat, studies have increasingly warrant the potential health benefits of habitual consumption.
Earlier in 2016, for example, Medical News Today reported on a study suggesting that eating chocolate daily during pregnancy may benefit fetal growth and development, while an earlier study claims daily chocolate consumption may lower the risk of strokes and heart diseases.
But how exactly does chocolate intake impact cognitive function? This is what Dr. Crichton and colleagues set out to determine, “Little is known about the relationship between chocolate and cognitive functioning or brain health,” Dr. Crichton told MNT.
“Most of the studies to date have focused on the acute effects of chocolate or cocoa consumption – i.e. consume a chocolate bar/cocoa-rich drink and assess immediate performance. We wanted to examine habitual or normal consumption with cognitive performance.”
The researchers analyzed the data of 968 people who fell in the range of 23-98 and were free of dementia.
The team analyzed the chocolate intake of participants over a 30-year period, as determined by information from a food frequency questionnaire.
The questionnaire asked subjects how often they ate chocolate: never, rarely, once a week, two to four times a week, five to six times a week or once or more each day.
The cognitive function of participants was assessed through a series of tasks that tested visual-spatial memory and organization (the ability to understand and remember spatial relations among objects), working memory (the ability to process new and existing information), verbal memory (the ability to remember words and other factors related to language) and scanning and tracking (the ability to focus on specific objects).
The researchers found that individuals who consumed chocolate at least once a week performed significantly better on all cognitive tasks, compared with those who never or rarely ate chocolate.
After accounting for other possible confounding factors – including subjects’ age, sex, education, blood pressure, cholesterol levels, blood glucose levels, alcohol intake and total calorie intake – the findings remained, with the exception of working memory. Dr. Crichton told MNT that they were not surprised by the results, explaining that cocoa contains flavanols that improve blood flow to the brain, and chocolate also contains small amounts of caffeine, which can boost alertness.