Common cooking ingredient could reduce dementia mortality risk, study suggests

Infusing more olive oil into your diet could pay big dividends for cognitive health and longevity, a new study suggests.

Researchers from the Harvard T.H. Chan School of Public Health and other universities analyzed population health data for more than 92,000 adults over a 28-year period. The participants’ average age was 56 and none of them had heart disease or cancer.

They found that people who consumed over 7 grams a day of olive oil had a 28% lower risk of dementia-related death...