Reducing calorie intake by 30% contributes to protecting the brain from aging.
A recent U.S. study reveals that reducing caloric intake by up to 30% can slow natural brain aging and preserve myelin, which is vital for nerve communication.
Researchers at Boston University found that a caloric restriction of up to 30% could protect the brain from early aging. They analyzed the brains of 24 rhesus monkeys (Macaca mulatta), fed either a restricted or standard diet for over 20 years, to observe the long-term effects on brain health.
Impact on Myelin
The study focused on myelin, the fatty sheath surrounding nerve fibers that protects them and speeds neural communication. Monkeys on a restricted diet had healthier myelin layers, higher gene activity, and more efficient metabolic pathways for myelin production and maintenance, reducing signs of brain aging.
Benefits of Caloric Restriction on Brain Aging
Reducing calories helps the body work more efficiently, limits cellular deterioration, and protects brain cells from inflammation caused by myelin breakdown, which can increase the risk of Alzheimer’s and Parkinson’s diseases.
Significance for Humans
Although the study involved a limited number of monkeys, their brains are highly similar to humans, suggesting that the findings may also apply to people. Researchers note that other factors, such as sleep quality and cognitive activity, also influence brain health.
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