Whether you have a history of cancer in your family, or are
currently battling the disease, lifestyle factors, including your diet, can
make a huge difference in helping you fight off cancer. Some foods actually
increase your risk of cancer, while others support your body and strengthen
your immune system. By making smart food choices, you can protect your health,
feel better, and boost your ability fight off cancer and other disease
What you need to know about cancer and diet
Not all health problems are avoidable, but you have more
control over your health than you may think. Research shows that a large
percentage of cancer-related deaths—maybe even the majority—are directly linked
to lifestyle choices such as smoking, drinking, a lack of exercise, and an
unhealthy diet. Avoiding cigarettes, limiting alcohol, and getting regular
exercise are a great start to an anti-cancer lifestyle. But to best support
your health, you also need to look at your eating habits.What you eat—and don’t eat—has a powerful effect on your health, including your risk of cancer. Without knowing it, you may be eating many foods that fuel cancer, while neglecting the powerful foods and nutrients that can protect you. If you change your diet and behaviors, you can minimize your risk of disease and possibly even stop cancer in its tracks.
Cancer prevention diet tip # 1: Focus on plant-based foods
The less processed these foods are—the less they’ve been cooked, peeled, mixed with other ingredients, stripped of their nutrients, or otherwise altered from the way they came out of the ground—the better.
There are many ways to add plant-based foods to your diet. A nice visual reminder is to aim for a plate of food that is filled at least two-thirds with whole grains, vegetables, beans, or fruit. Dairy products, fish, and meat should take up no more than a third of the plate. Keep in mind that you don’t need to go completely vegetarian. Instead, focus on adding “whole” foods, which are foods close to their original form. Just as important, try to minimize or reduce the amount of processed foods you eat. Eat an apple instead of drinking a glass of apple juice, for example. Or enjoy a bowl of oatmeal with raisins instead of an oatmeal raisin cookie.
Simple tips for getting more plant-based foods in your diet
- Breakfast:
Add
fruit and a few seeds or nuts to your whole grain breakfast cereal (such
as oatmeal).
- Lunch: Eat a big salad filled
with your favorite beans and peas or other combo of veggies. Always order
lettuce and tomato (plus any other veggies you can) on your sandwiches.
Order whole grain bread for your sandwiches. Have a side of veggies like
cut up carrots, sauerkraut, or a piece of fruit.
- Snacks: Fresh fruit and
vegetables. Grab an apple or banana on your way out the door. Raw veggies
such as carrots, celery, cucumbers, jicama, peppers, etc. are great with a
low-fat dip such as hummus. Keep trail mix made with nuts, seeds, and a
little dried fruit on hand.
- Dinner: Add fresh or frozen
veggies to your favorite pasta sauce or rice dish. Top a baked potato with
broccoli and yogurt, sauteed veggies, or with salsa. Replace creamy pasta
sauces, with sauteed vegetables or tomato sauce made with healthy olive
oil.
- Dessert: Choose fruit instead
of a richer dessert. Or a single square of dark chocolate.
Cancer prevention diet tip # 2: Bulk up on fiber
Fiber is found in fruits, vegetables, and whole grains. In general, the more natural and unprocessed the food, the higher it is in fiber. There is no fiber in meat, dairy, sugar, or “white” foods like white bread, white rice, and pastries.
Simple ways to add more fiber to your diet:
- Use brown rice instead
of white rice
- Substitute whole-grain
bread for white bread
- Choose a bran muffin
over a croissant or pastry
- Snack on popcorn
instead of potato chips
- Eat fresh fruit such as
a pear, a banana, or an apple (with the skin)
- Have a baked potato, including
the skin, instead of mashed potatoes
- Enjoy fresh carrots,
celery, or bell peppers with a hummus or salsa, instead of chips and a
sour cream dip
- Use beans instead of
ground meat in chili, casseroles, tacos, and even burgers (bean burgers
can taste great)
High-fiber,
cancer-fighting foods |
|
Whole
grains-- |
whole-wheat pasta, raisin bran, barley, oatmeal, oat bran
muffins, popcorn, brown rice, whole-grain or whole-wheat bread |
Fruit------------- |
raspberries, apples, pears, strawberries, bananas,
blackberries, blueberries, mango, apricots, citrus fruits, dried fruit,
prunes, raisins |
Legumes--------
|
lentils, black beans, split peas, lima beans, baked beans,
kidney beans, pinto, chick peas, navy beans, black-eyed peas |
Vegetables----- |
broccoli, spinach, dark green leafy vegetables, peas,
artichokes, corn, carrots, tomatoes, Brussels sprouts, potatoes |
Cancer prevention diet tip # 3: Cut down on meat
Research shows that vegetarians are about fifty percent less
likely to develop cancer than those who eat meat. So what’s the link between
meat and cancer risk? First, meat lacks fiber and other nutrients that have
been shown to have cancer-protective properties. What it does have in
abundance, however, is fat—often very high levels of saturated fat. High-fat
diets have been linked to higher rates of cancer. And saturated fat is
particularly dangerous. Finally, depending on how it is prepared, meat can
develop carcinogenic compounds.
Making better meat and protein choices
You don’t need to cut out meat completely and become a
vegetarian. But most people consume far more meat than is healthy. You can cut
down your cancer risk substantially by reducing the amount of animal-based
products you eat and by choosing healthier meats.- Keep
meat to a minimum. Try to keep the total amount of meat in your
diet to no more than fifteen percent of your total calories. Ten percent
is even better.
- Eat
red meat only occasionally. Red meat is high in saturated fat, so eat it
sparingly.
- Reduce
the portion size of meat in each meal. The portion should be
able to fit in the palm of your hand.
- Use
meat as a flavoring or a side, not the entree. You can use a little
bit of meat to add flavor or texture to your food, rather than using it as
the main element.
- Add
beans and other plant-based protein sources to your meals.
- Choose
leaner meats, such as fish, chicken, or turkey. If possible, buy organic.
- Avoid
processed meats such as hot dogs, sausage, deli meats, and salami.
Cancer prevention diet tip #4:
Choose your fats wisely
A major benefit of cutting down on the amount of meat you
eat is that you will automatically cut out a lot of unhealthy fat. Eating a
diet high in fat increases your risk for many types of cancer. But cutting out
fat entirely isn’t the answer, either. In fact, some types of fat may actually
protect against cancer. The trick is to choose your fats wisely and eat them in
moderation.- Fats
that increase cancer risk – The two most damaging fats are saturated
fats and Trans fats. Saturated fats are found mainly in animal products
such as red meat, whole milk dairy products, and eggs. Trans fats, also
called partially hydrogenated oils, are created by adding hydrogen to
liquid vegetable oils to make them more solid and less likely to
spoil—which is very good for food manufacturers, and very bad for you.
- Fats
that decrease cancer risk – The best fats are unsaturated fats, which
come from plant sources and are liquid at room temperature. Primary
sources include olive oil, canola oil, nuts, and avocados. Also focus on
omega-3 fatty acids, which fight inflammation and support brain and heart
health. Good sources include salmon, tuna, and flax seeds.
Tips for choosing cancer-fighting fats and avoiding the bad
- Reduce
your consumption of red meat, whole milk, butter, and eggs, as these are the
primary source of saturated fats.
- Cook
with olive oil instead of regular vegetable oil. Canola oil is another
good choice, especially for baking.
- Check
the ingredient list on food labels and avoid anything with hydrogenated or
partially hydrogenated oils, which are usually found in stick margarines,
shortenings, salad dressings, and other packaged foods.
- Trim
the fat off
of meat when you do eat
it, and avoid eating the skin of the chicken.
- Choose
nonfat dairy products and eggs that have been fortified with omega-3
fatty acids.
- Add
nuts and seeds to cereal, salads, soups, or other dishes. Good choices include
walnuts, almonds, pumpkin seeds, hazelnuts, pecans, and sesame seeds.
- Use flax seed oil in smoothies, salad dressings, or mixed in snacks such as
applesauce. But do not cook with flax seed oil, as it loses its protective
properties when heated.
- Limit
fast food, fried foods, and packaged foods, which tend to be high
in trans fats. This includes foods like potato chips, cookies, crackers,
French fries, and doughnuts.
- Eat
fish once or twice a week. Good choices include wild salmon, sardines,
herring, and black cod. But be conscious of mercury, a contaminant found
in many types of fish.
Cancer prevention diet tip #5:
Choose cancer-fighting foods
Your immune system keeps you healthy by fighting off
unwanted invaders in your system, including cancer cells. There are many things
you can eat to maximize the strength of your immune system, as well as many
cancer-fighting foods. But keep in mind that there is no single miracle food or
ingredient that will protect you against cancer. Eating a colorful variety
gives you the best protection. - Boost
your antioxidants. Antioxidants are powerful vitamins that protect
against cancer and help the cells in your body function optimally. Fruits
and vegetables are the best sources of antioxidants such as beta-carotene,
vitamin C, vitamin E, and selenium.
- Eat
a wide range of brightly colored fruits and vegetables. Colorful fruits and
vegetables are rich in phytochemicals, a potent disease–fighting and
immune–boosting nutrient. The greater the variety of colors that you
include, the more you will benefit, since different colors are rich in
different phytochemicals.
- Flavor
with immune-boosting spices and foods. Garlic, ginger, and
curry powder not only add flavor, but they add a cancer-fighting punch of
valuable nutrients. Other good choices include turmeric, basil, rosemary,
and coriander. Use them in soups, salads, casseroles, or any other dish.
- Drink
plenty of water. Water is essentially to all bodily processes. It stimulates the
immune system, removes waste and toxins, and transports nutrients to all
of your organs.
Cancer prevention diet tip #6: Prepare your food in healthy
ways
Choosing healthy food is not the only important factor. It
also matters how you prepare and store your food. The way you cook your food
can either help or hurt your anti-cancer efforts.
Preserving the cancer-fighting benefits of vegetables
Here are a few tips that will help you get the most benefits
from eating all those great cancer-fighting vegetables: - Eat
at least some raw fruits and vegetables. These have the highest
amounts of vitamins and minerals, although cooking some vegetables can
make the vitamins more available for our body to use.
- When
cooking vegetables, steam
until just tender using a small amount of water. This
preserves more of the vitamins. Overcooking vegetables removes many of the
vitamins and minerals. If you do boil vegetables, use the cooking water in
a soup or another dish to ensure you’re getting all the vitamins.
- Wash
all fruits and vegetables. Use a vegetable brush for washing. Washing
does not eliminate all pesticide residue, but will reduce it. Choose
organic produce if possible, grown without the use of pesticides.
Cooking and carcinogens
Carcinogens are cancer-causing substances found in food.
Carcinogens can form during the cooking or preserving process—mostly in
relation to meat—and as foods start to spoil. Examples of foods that have
carcinogens are cured, dried, and preserved meats (e.g. bacon, sausage, beef
jerky); burned or charred meats; smoked foods; and foods that have become
moldy. Here are some ways reduce your exposure to carcinogens: - Do not cook oils
on high heat. Low-heat cooking or baking (less than 240 degrees)
prevents oils or fats from turning carcinogenic. Instead of deep-frying,
pan-frying, and sauteing, opt for healthier methods such as baking,
boiling, steaming, or broiling.
- Go easy on the
barbecue.
Burning or charring meats creates carcinogenic substances. If you do
choose to barbecue, don’t overcook the meat and be sure to cook at the
proper temperature (not too hot).
- Store oils in a
cool dark place in airtight containers, as they quickly become rancid
when exposed to heat, light, and air.
- Choose fresh
meats
instead of cured, dried, preserved, or smoked meats.
- Avoid foods that
look or smell moldy, as they likely contain aflatoxin, a strong carcinogen.
Aflatoxin is most commonly found on moldy peanuts. Nuts will stay fresh
longer if kept in the refrigerator or freezer.
- Be careful what
you put in the microwave. Use waxed paper rather than
plastic wrap to cover your food in the microwave. And always use
microwave-safe containers.
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