Monday, November 20, 2006
The Most Powerful Anti - Oxidant
The humble blueberry is one of the most powerful foods you can eat. They’re packed with antioxidants, fight off certain cancers and heart disease and combat memory loss and the most common cause of vision loss and varicose veins.
Blueberries are health food superstars. They are loaded with vitamins, minerals and fiber. They also high in antioxidants flavonoids and anthocyanins. These substances are at the root of the new research on blueberries.
A team from Tufts University found that eating blueberries prevents loss of short-term memory. They showed that feeding mice a cup of blueberries a day increased their mental abilities and learning. The mice also improved their memory skills and explored their cages more.1
As it turns out, anthocyanin, the dye that gives blueberries their color, protects brain cells. It also contains antioxidants and calms inflammation.
Now they have begun to conduct the same studies on people. Early results show that people who ate a cup of blueberries a day performed 5-6% better on motor skills tests than control groups did.2
Studies conducted at the University of Illinois, show that anthocyanins in wild blueberries may inhibit both the initiation and promotion stages of cancer.3
Blueberries also contain ellagic acid, another powerful antioxidant. People who eat high levels of ellagic acid are three times less likely to develop cancer than people who don’t.4
Free radical damage causes heart disease. New studies are showing that the flavonoids in blueberries attack those free radicals.
Blueberries are also very high in dietary fiber. A single half pint has a whopping 5 grams of fiber. A Harvard study of over 40,000 men found that those with a high total fiber intake have a 40% lower risk of heart disease. 5
A Rutgers University team showed that blueberries protect against infections in the urine. Like cranberries, blueberries contain compounds that prevent bacteria from attaching to the wall of the bladder.6
Blueberries are rich in certain flavonoids that strengthen the walls of veins. Several European studies show that blueberries improve circulation through the veins, and decrease varicosities.7
The leading cause of blindness in elders is macular degeneration. An eye specialist at Scripps Hospital in La Jolla, California found that patients who ate blueberries had a marked improvement in their eyesight.8
Adding blueberries to your diet is a simple and flavorful way to improve your health through your diet. Fresh blueberries are available for nearly eight months of the year from producers across the Untied States and Canada.
To Your Good Health,
Al Sears, MD
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