For this study, published in Journal of Alzheimer's Disease, food science and human nutrition assistant professor, Brandon Klinedinst, analyzed data from 1,787 adults through the UK Biobank focused on adults aged 46 to 77.
The team found that diet earlier in life affects your risk of cognitive decline later on. While added salt might put you at greater risk for diseases of dementia.
"Observations further suggest in risk status-dependent manners that adding cheese and red wine to the diet daily, and lamb on a weekly basis, may also improve long-term cognitive outcomes."
Between 2006-10, participants in the research filled out a Fluid Intelligence Test and also filled out information regarding food and alcohol consumption.
They found that cheese was particularly helpful in protecting against age-related cognitive problems; daily consumption of alcohol, especially red wine, improves cognitive function; eating lamb (but not other red meat) on a weekly basis appears to be helpful; excess salt promotes cognitive decline over time.
While they were unable to pinpoint exact reasons for this protective effect, they cite calcium, vitamin B12, gut-friendly bacteria, and lactopeptides in cheese as potential candidates.
A moderate serving of red wine has long been touted as healthy; interestingly, volunteers with a genetic predisposition to Alzheimer's appear to benefit most. They also note other research finding that regular beer intake increases the risk of dementia. Not all alcohol is created equally.
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