PUC-RJ 2014/2

BLUEBERRIES: ONE OF NATURE’S BEST FOODS

 

[1] Native to North America, blueberries have been part of the human diet for more than 13,000 years, long

before being formally recognized for their healthy and anti-cancer effects. Blueberries are among the best

foods you can eat, and I recommend eating them every day. I have created easy healthy recipes, diet

recipes, smoothie recipes – using blueberries, soy milk, ground flax seed, and other natural foods — that

[5] give my patients a variety of ways to enjoy this wonderful fruit.

Since blueberries contain flavonoids and other specific phytochemicals that help protect against vascular

instability, I instruct my diabetes and heart disease patients to eat fresh blueberries every day and to eat

frozen blueberries in the wintertime.

In general, my food recommendations are based on the nutrient per calorie ratio in a particular food.

[10] More precisely, I am concerned with a food’s micro nutrient per macro nutrient ratio. There are three

macro nutrients — fat, carbohydrate and protein. All foods contain some mix of all three. Macro nutrients

are the source of all calories.

One cup of blueberries contain 80 calories and a whole pint gives you about 225 calories. Like all other

foods, the calories in blueberries come from its macro nutrients — 56 grams of carbohydrate, 1.5 grams

[15] of fat and 2.7 grams of protein. But it is blueberries’ micro nutrient content that packs the most

impressive wallop. Blueberries are packed with tannins, anthocyanins that have been linked to prevention

— and even reversal — of age related mental decline and anti-cancer effects.

Blueberries are the only food so far that has been shown not just to prevent, but actually to reverse

abnormal physical and mental decline, including coordination and balance, in aged animals. The

[20] flavonoids in blueberries — catechin, epicatechin, myricetin, quercetin, ankaempferol — are a mouthful of

strangely spelled words, but more importantly, they are extremely valuable for superior health. And

remember, phytochemicals are not optional nutrients; they are essential for normal function of your

immune system.

Slightly adapted from http://www.drfuhrman.com/library/article12.aspx

The word “since” in “Since blueberries contain” (line 6) introduces an idea of:

a

contrast.

b

addition.

c

reason.

d

consequence.

e

sequence of time.

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