Key points from article :
Berries are a top source of potassium, magnesium, vitamins C and K, prebiotics, fiber, and are low in calories and natural sugars.
Benefits are attributable to anthocyanins, compounds that give many fruits and vegetables their red, purple, and blue colors.
Consumption of a cup of blueberries and strawberries also reduced chances of weight gain, heart attack risk, and reduced systolic blood pressure.
“people who eat more berries live a little bit longer,” Prof. Eric Rimm, epidemiology and nutrition.
"Berries are also powerful foods for learning and memory" Dr. Hale, neuroscientist.
A study on older women, eating blueberries or strawberries at least once or twice a week showed delayed cognitive aging by two-and-a-half years.
Berries are, however, perishable and often expensive.
Dr. Hale says "...freezing for year-round use may help as it may preserve some compounds.
Fresh ones can be preserved by avoiding rinsing them until ready to eat", Prof Blake, Nutritionist
Research by Consumer Reports