Beetroot Juice Helps Older Brains Act Younger
Positive Effects on the Mind
Beets contain high levels of dietary nitrate, which can increase blood flow and improve exercise performance. Researchers from Wake Forest University, in Winston-Salem, North Carolina, tested the impact of consuming beetroot juice prior to exercise on the somatomotor cortex, the part of the brain that processes information from the muscles.
Twenty-six older adults with hypertension that generally don’t exercise were split into two groups. Half were given a beetroot juice supplement with 560 milligrams of nitrate prior to a thrice-weekly, 50-minute treadmill walk for six weeks. The other half were given a placebo with very little nitrate. The beetroot juice group showed substantially higher levels of nitrate after exercising than the placebo group.
“We knew going in that a number of studies had shown that exercise has positive effects on the brain,” explains W. Jack Rejeski, director of the Behavioral Medicine Laboratory in the Health and Exercise Science Department at Wake Forest and study co-author. “We showed that compared to exercise alone, adding a beetroot juice supplement for hypertensive older adults to exercise resulted in brain connectivity that closely resembles what is seen in younger adults.”
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This article appears in the September 2017 issue of Natural Awakenings.
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