Relation between dairy food intake and cognitive function: The Maine-Syracuse Longitudinal Study
G E Crichton1, M F Elias2, G A Dore3
1Nutritional Physiology Research Centre, University of South Australia, Adelaide 5001, Australia.
International Dairy Journal
|January 24, 2014
Summary
Daily dairy consumption is linked to better cognitive function in older adults. This study suggests that incorporating dairy foods may support brain health and cognitive performance.
Area of Science:
- Nutrition Science
- Neuroscience
- Gerontology
Background:
- Age-related cognitive decline is a growing public health concern.
- Dietary interventions are being explored to mitigate cognitive decline.
- Limited research exists on the relationship between dairy intake and cognitive function.
Purpose of the Study:
- To investigate the association between dairy food intake and cognitive function.
- To examine this relationship before and after adjusting for confounding factors.
Main Methods:
- Cross-sectional analysis of a subset of the Maine-Syracuse Longitudinal Study (MSLS) sample.
- Participants (N=972) were categorized based on dairy consumption frequency.
- Cognitive function was assessed across multiple domains.
Main Results:
- Individuals consuming dairy at least once daily showed significantly higher cognitive scores.
- This association remained significant after adjusting for cardiovascular, lifestyle, and dietary factors.
- No significant differences were observed between rare/no dairy consumers and cognitive function.
Conclusions:
- Frequent dairy food intake is associated with better cognitive performance in older adults.
- Dairy consumption may play a role in supporting cognitive health.
- Further research is needed to determine the causal mechanisms underlying this association.
Related Concept Videos
01:22Gut-Brain Axis
222
The gut–brain axis is a bidirectional communication system that connects the gastrointestinal tract and the brain. This interaction is mediated through multiple pathways, including the vagus nerve, hormonal signals, immune responses, and chemical messengers produced by gut microbes.Microbial Contributions to Brain FunctionGut microbiota contributes significantly to brain function by producing neuroactive compounds. These include neuroactive compounds that influence neurotransmitters such...
222
02:20Longitudinal Research
11.7K
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
11.7K
01:22Dementia l: Introduction
35
Dementia is an acquired, progressive syndrome characterized by a decline in multiple cognitive domains severe enough to impair daily functioning and reduce independence. Although memory loss is a central feature, the diagnosis requires additional deficits involving language, executive function, visuospatial skills, judgment, calculation, or abstract reasoning. These cognitive impairments reflect underlying neurodegenerative or vascular processes that gradually disrupt neuronal networks...
35
01:30Cognitive Development During Adulthood
1.4K
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
1.4K
01:30Regulation of Food Intake
2.8K
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
2.8K
01:53Cause and Effect
10.5K
While variables are sometimes correlated because one does cause the other, it could also be that some other factor, a confounding variable, is actually causing the systematic movement in our variables of interest. For instance, as sales in ice cream increase, so does the overall rate of crime. Is it possible that indulging in your favorite flavor of ice cream could send you on a crime spree? Or, after committing crime do you think you might decide to treat yourself to a cone?
10.5K