Researchers have found evidence suggesting that consuming about half a tablespoon of olive oil per day may reduce the risk of dementia-related death. Studies have shown that olive oil can also lower the risk of death from cardiovascular disease, cancer, neurodegenerative disease, and respiratory disease. A recent study published in JAMA Network Open found that a higher intake of olive oil is associated with a lower risk of dementia-related mortality. The study utilized information from two large prospective cohorts in the United States, with a participant pool of 92,383 individuals. Participants who consumed more than 7 grams of olive oil daily had significantly lower dementia-related mortality rates compared to those who consumed less.
The study found that participants with higher olive oil consumption had a 28% lower risk of dementia-related death compared to those who never consumed olive oil or did so less frequently. Substituting margarine and mayonnaise with olive oil was associated with a lower risk of dementia-related deaths, while substitutions of other vegetable oils or butter did not provide significant reductions in risk. The researchers also concluded that diet quality did not impact the effectiveness of olive oil consumption. The findings suggest that higher olive oil intake is linked to a lower risk of dementia-related mortality in US adults, regardless of diet quality.
Experts point out that while the study shows an association between olive oil consumption and reduced risk of dementia-related death, it does not establish a direct cause and effect relationship. However, the antioxidant properties of olive oil, including its content of vitamin E and polyphenols, are believed to offer protection to cells and blood vessels, including those in the brain. Additionally, olive oil has anti-inflammatory properties, which can help in slowing down the aging process in the brain and potentially reducing the risk of dementia and cognitive decline. Experts recommend incorporating a variety of cooking oils, including olive oil, into a healthy diet for optimal health benefits.
In addition to reducing the risk of dementia-related mortality, olive oil has been associated with a lower risk of cardiovascular disease, cancer, neurodegenerative disease, and respiratory disease mortality. Other studies have also shown that higher olive oil intake is linked to a decreased risk of diabetes, cardiovascular disease, and all-cause mortality. Experts recommend choosing olive oil for most cooking purposes and reserving butter for specific recipes or applications where needed. It is advised to focus on incorporating olive oil into a healthy diet rather than relying on supplements for the potential health benefits.
While olive oil supplements are available, experts suggest that obtaining the health benefits from consuming olive oil in its natural form through food is more beneficial than relying on supplements. Adding a supplement to an unhealthy diet may not provide the same benefits as incorporating olive oil as part of a healthy diet. The study emphasizes the importance of consuming olive oil along with a healthy diet for the best results in terms of reducing the risk of dementia-related mortality and reaping the numerous health benefits associated with olive oil consumption.
