Regular consumption of dairy products is associated with higher brain function scores in people over 60 years old. This conclusion was reached by researchers who published a review of scientific data in the journal Frontiers in Aging.
The authors summarized the results of 22 scientific studies involving a total of about 47,000 people. Several randomized studies recorded improvements in overall cognitive performance, memory, and information processing speed among those who included certain dairy products in their diet.
The most pronounced effect was observed with the consumption of fermented products, such as yogurts and fermented dairy products. Positive changes were also associated with products containing bioactive substances.
However, the results of different studies did not fully coincide. In some studies, fermented products were associated with higher memory and executive function scores. Conversely, in some cases, a large amount of whole milk correlated with a decrease in cognitive performance.
The authors note that the differences in conclusions may be related to the type of dairy products, the duration of observation, as well as additional factors such as the education level of participants, their dietary habits, the presence of cardiovascular risks, and lifestyle.
Overall, the researchers conclude that dairy products may contribute to maintaining cognitive health in old age.
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