Blueberries have lots of fiber which helps prevent heart disease, and they’re low on the glycemic index (40), so they don’t spike your blood sugar. And eating them can help your memory and other mental abilities.
But the newest research on blueberries has found two exciting things. They can help fight hardening of the arteries (atherosclerosis) and protect your liver.
In one study, researchers from the U.S. Dept. of Agriculture looked at animals with atherosclerosis. They gave a formula with only 1 percent freeze-dried whole blueberries to one of two groups. The other group’s formula did not contain the berry powder. After 20 weeks, the blueberry formula group had as much as 58 percent less artery hardening than the non-blueberry group