Research Roundup May 2022
Foods Linked to Quality Sleep. Diets higher in complex carbohydrates, protein, fiber, fruits, vegetables, and anti-inflammatory nutrients, and lower in saturated fat were associated with better sleep quality, according to a review of 20 studies from 1975 to 2021. Diets high or very high in refined carbohydrates and sugar were linked to poorer sleep quality. A minimally processed, plant-rich, protein-rich diet pattern, such as the Mediterranean diet, may be the most sleep-supportive, researchers conclude, though further research is needed.
(Journal of the Academy of Nutrition and Dietetics, January 2022)
Olive Oil Linked to Lower Death Risk. Higher olive oil intake is associated with lower risk of death, researchers say. Diets from 91,000 adults were tracked for 28 years. The highest olive oil intake (half a tablespoon or more) was linked with lower all-cause death versus low- or non-consumers of olive oil. Higher intake was linked to 19% lower risk of death from cardiovascular disease, 29% lower risk of neurodegenerative disease death, and 18% lower risk of respiratory death. Replacing butter, margarine, and dairy fat with olive oil was linked with 8% to 34% lower risk of death.
(Journal of the American College of Cardiology, January 2022)
U.S. Adults Low in Fruit, Veg Intake. Just 10 percent of U.S. adults met the recommended vegetable intake, and 12 percent met the fruit recommendation in 2019, says the U.S. Centers for Disease Control and Prevention. The Dietary Guidelines for Americans recommends that adults should consume 1.5 to 2 cups of fruits and 2 to 3 cups of vegetables daily to support health and protect against disease. Men had the lowest prevalence of fruit intake, adults age 51 and older were highest in vegetable intake, and those near or below the poverty line had the lowest prevalence of vegetable intake.
(CDC Morbidity and Mortality Weekly Report, January 2022)
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