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5 Foods for Life
You don’t have to deprive yourself of great-tasting food to improve your health. Instead, eat more foods that taste good and also are good for you.
By Marilyn Pribus
Too many people think when they make a commitment to eat
healthily, they close the chapter on enjoying food,” says certified
nutritionist Stephanie Gailing. This is not the case at all, says
the Seattle-based nutrition education consultant whose clients
include the Web site called World’s Healthiest Foods. “People can
still really like what they eat.” ■ “We are making discoveries
almost daily contributing to the body of nutrition knowledge,” says
Helen Rasmussen, senior researcher at the Jean Mayer USDA Human
Nutrition Research Center on Aging at Tufts University in Boston.
Many studies are exploring phytonutrients, nutritionally important
plant-based chemicals or compounds that aren’t necessarily needed
for normal body function but might have particular health benefits.
Here are some foods especially rich in phytonutrients.
1. Whole grains
“Anything that’s whole grain packs a nutritional wallop,”
declares Rasmussen. The whole grain — whether it’s oats, wheat,
brown rice, corn, barley, quinoa, or other lesser-knowns — includes
the germ, trace vitamins and minerals, and healthful polyunsaturated
oils and is replete with fiber, which helps with regularity.
“White rice [and other refined grains],” Rasmussen says, “are really
sort of bubkes.” (Translated literally as “beans,” this Yiddish word
means “absolutely nothing.”) Manufacturers often strip out the best
parts of grains to increase shelf life, then add back some of the
ingredients and call them “enriched,” although they have far less
nutritional value.
Hint: So-called “wheat bread” generally contains “enriched”
wheat or white flour with some added coloring rather than whole
grain. When shopping, check for the words “100-percent whole grain.”
The key word to look for is “whole.” Whole-grain products are
susceptible to spoilage. Store them in a cool place or even the
refrigerator or freezer.
2. Dark, leafy greens
Spinach, chard, collard or beet greens, deep-hued baby lettuces,
kale, and bok choy are in this low-calorie, high-nutrition family.
Greens offer fiber, calcium, iron, and many phytonutrients,
including lutein, which has been identified as promoting eye health.
Greens also are rich in folate, which could counteract homocysteine,
an amino acid produced by the body. Studies show a statistically
significant relationship between high levels of homocysteine and
increased incidence of stroke, cardiovascular and other diseases,
and memory problems in people over age 65.
Hint: Generally, the darker the green, the better. Serve
uncooked in salads or sandwiches, add late in pasta preparation, or
prepare by steaming briefly over broth.
3. Cruciferous veggies
This family of vegetables includes broccoli, cauliflower,
brussels sprouts, and cabbage. “These could be called the ‘stinky’
family,” Rasmussen admits wryly. “Stink is not a vitamin or
mineral,” she continues, “but this wonderful phytochemical called
sulforaphane ... appears to detoxify certain carcinogens and is
believed to stimulate the body’s own cancer-protective enzymes.” In
fact, research shows a statistically significant lower incidence of
skin, breast, and prostate cancers in people who regularly eat
cruciferous vegetables.
Cole slaw or sauerkraut is a great way to serve cabbage. Broccoli
and cauliflower can be served raw with a dip. Cruciferous veggies
are less likely to, um, give offense when cooked. Steam or microwave
as briefly as possible, or add late to a stir-fry. Boiling or other
overcooking steals away many phytonutrients.
Hint: Some healthful foods, such as cruciferous veggies,
beans, and whole grains, can produce embarrassing side effects. The
enzyme in Bean-O and Bean-zyme — products available in grocery or
drug stores or online — helps greatly by acting on complex
indigestible sugars to reduce or eliminate intestinal gas.
4. Omega oils
Omega-3 and omega-6 oils are essential fatty acids with
anti-inflammatory properties. (Essential means the body cannot make
the substance.) These “good” fats have been shown to be useful
against inflammatory and autoimmune diseases, including heart
disease, arthritis, chronic obstructive pulmonary disease, and
others, and are used to improve symptoms of depression.
The body needs both omega-3 and omega-6 oils. The latter are found
in cereals, eggs, poultry, whole grains, and most vegetable oils.
However, most diets shortchange the body on omega-3 oils, so it’s
important to deliberately seek them out.
“Fish is great because it is a rich source of omega-3,” says
Rasmussen. But, she warns, fish store PCBs, mercury, and other
pollutants in their bodies. Smaller fish such as salmon are safer
than large ones like tuna, but children, pregnant women, and seniors
with cognition issues should be wary. For others, Rasmussen suggests
fresh fish no more than twice a week and says farm-raised salmon
show higher levels of mercury than wild. She also recommends
limiting canned tuna to six ounces (one can) a week.
Flaxseed, walnuts, peanuts, and, to a lesser extent, other nuts are
excellent alternative sources of omega-3 for vegetarians or those
who don’t like fish. Flaxseed meal can be added to cereal or used in
baking, and flaxseed oil can be added to a salad or taken in a
capsule. Nuts, of course, can be added to a salad, trail mix, or
dessert or simply munched.
Hint: Oils and nuts are high in calories, so be prudent if
weight management is an issue. Also, omega oils can turn rancid
quickly, so store products in the fridge or freezer.
5. Berries
Blueberries have been getting favorable press lately.
“Well-deserved,” declares Rasmussen. “A lot of the berries —
blueberries, raspberries, blackberries, cranberries, strawberries —
have antioxidant properties that are of interest to researchers.”
Oxidants, she explains, are forms of oxygen called “free radicals”
that accelerate the aging process and contribute to diseases ranging
from cancer and cardiovascular disease to arthritis and psoriasis.
Antioxidants protect the body and its cells from free radicals.
“Antioxidants are sort of like someone who comes in overnight and
stitches up cells that have been damaged,” says Rasmussen. This
beneficial group of vitamins, minerals, and phytonutrients are found
mostly in fruits, vegetables, and whole grains.
Berries also are rich in fiber while living up to their reputation
of being good tasting and good for you. Sprinkle berries on cereal,
pudding, salads, ice cream, or sorbet; blend them into smoothies; or
cook them in muffins, hot cereal, or a pie.
Hint: The edible skins of many fruits interact with sunlight
to form pigments that contain valuable phytonutrients, so scrub
carefully and eat the skins.
Food for Thought
Fresh or frozen?
“Frozen vegetables and fruits are probably equal to fresh foods in
nutritional value,” says Helen Rasmussen, a nutrition researcher.
“Canned food also has plenty of nutrients.”
Frozen food usually is processed promptly, and there’s no spoilage
as long as it is kept solidly frozen. On the other hand, fresh food
that travels thousands of miles may have lost valuable
phytonutrients, and imported produce could be from countries where
pesticide controls are not as strict as in the United States.
The ideal produce is grown locally and organically, even if it costs
more. “By purchasing organic foods, we’re sending a message to the
big food growers,” Rasmussen points out. “It’s better for the
environment, and it’s better for our health. As demand increases, so
will supply, and prices will come down.”
Cooked or raw?
“This is an important question,” says Stephanie Gailing, a certified
nutritionist, who says that raw foods have many benefits, but in
some cases, light cooking makes certain nutrients more “available”
for the body.
“What’s really important,” she says, “is minimally cooking your food
with a minimal amount of water. Cooking can leach out up to half of
the water-soluble vitamins and folate.” Gailing prefers quick
steaming or light sautéing (with low-sodium broth). If you microwave
food, do so for a short time with the smallest amount of water
possible.
Water
No matter what healthful foods you consume, water is important
because it carries nutrients, eliminates waste products in the body,
and helps with bowel regularity.
Aim for a fluid intake of eight glasses a day — at least two quarts
— particularly if you are exercising or in hot weather. Too much,
you say? Remember that foods with a high water content, such as
fruits, soups, and vegetables, count toward the requirement.
Beverages such as milk and hot or iced coffee or tea can augment
straight water. In fact, emerging research suggests that teas, and
to some extent coffees, have certain antioxidants.
Mineral water — still or sparkling — now comes in a number of
flavors without added calories, or you can add a squeeze of fresh
citrus for extra zest.
Sufficient water is especially important if you are taking
medications. Unfortunately, says Helen Rasmussen, an expert on
nutrition and aging, many older people reduce their fluid intake
because of decreased thirst sensation or to avoid the inconvenience
of needing to use a bathroom.
On the Web
■ www.whfoods.com: The
World’s Healthiest Foods is an excellent nonprofit Web site that
includes articles, detailed listings of dozens of foods, and hundreds of
simple recipes (searchable by specific ingredients) with breakdowns of
their phytonutrients and nutritional content.
■
www.hsph.harvard.edu/nutritionsource/fruits.html: This site
addresses the nutritional value of fruits and vegetables relating to
health issues such as cholesterol, cancer, hypertension, and
cardiovascular disease.
■
www.nhlbi.nih.gov/health/index.htm#recipes: The National Heart,
Lung, and Blood Institute of the National Institutes of Health has many
healthful recipes.
■
www.wholegrainscouncil.org: This Web site has information and a
shopping guide for finding whole-grain foods.
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