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Deli meats are a popular choice for quick lunches and easy protein, making them a regular staple in many diets. However, new research suggests that eating just two slices each day may be linked to a higher risk of developing dementia.
Although the negative effects of processed meats on heart health are well recognized, the exact effects of preservatives such as nitrates on the brain remain uncertainResearchers suspect one possibility is that these substances encourage inflammatory processes and harm blood vessels. This could compromise the neural connections needed for memory and other cognitive functions.
In an analysis of nearly 500,000 people in the U.K., researchers found that consuming an additional 25 grams of processed meat per day, equivalent to about two slices of deli meat, was associated with nearly a 52% higher risk of developing dementia overall and Alzheimer’s disease.
The potential health effects of deli meat extend beyond concerns about cognitive health, as research has also linked processed meat consumption to colorectal cancer. Some preservatives can contribute to the formation of carcinogenic substances in the body that may harm cells and promote cancer development.
Making room for more whole foods in place of ultra-processed products may offer benefits for long-term brain health. The review found that this dietary change could be linked to a 19% reduction in dementia risk, adding to evidence that heavily processed diets may have lasting consequences for the brain. Many packaged foods undergo processing, but ultra-processed varieties often contain added sugars, fats, salt, and manufactured additives, while providing less fiber and fewer beneficial plant compounds than less processed alternatives.
To view the original scientific study click below:
Ultraprocessed Foods and the Aging Brain: State of the Science
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