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The more antioxidant-rich fruits and vegetables in your diet, the greater your chances of keeping your wits about you as you get older.
German researchers in collaboration with investigators at Temple University in Philadelphia and Italy’s Perugia University looked at the relationship between fruit and vegetable intake, antioxidant status and cognitive performance in 193 healthy men and women aged 45 to 102. Those who ate the most fruits and vegetables (400 grams or about 14 ounces per day), had higher plasma antioxidant levels, lower indicators of free-radical damage and better cognitive performance than healthy subjects regardless of age who consumed less than 100 grams (about 3.5 ounces) of fruits and vegetables daily.
The findings were independent of factors that can influence antioxidant and cognitive status including age, gender, body mass index, education level, cholesterol and triglyceride levels, and levels of the liver protein albumin that can indicate liver or kidney disease.