What with new year’s resolutions and mammoth goals we can all be hard on ourselves in January. But new research from scientists at Harvard University suggests eating your greens will bring about positive thinking and feelings of optimism.
Scientists have revealed people who eat plenty of fruit and vegetables tend to be more optimistic about the future, with higher levels of plant compounds called carotenoids in their blood.
A commonly-known carotenoid is beta-carotene, a pigment found in high levels in orange fruit and veg and green, leafy vegetables.
The study evaluated blood concentrations of nine different antioxidants, including carotenoids, such as beta-carotene and vitamin E in nearly 1,000 American men and women between the ages 25 to 74.
Those who ate two or fewer servings of fruits and vegetables a day were significantly less optimistic than participants who ate three or more servings a day, according to a questionnaire about life attitudes.
Researchers found that people who were more optimistic had up to a 13 per cent increase in carotenoid concentrations in their blood, compared with people who were less optimistic.
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