Cancer is a large group of diseases in which abnormal cells divide uncontrollably and can overtake and destroy healthy body tissue in one or multiple areas of your body. The most common forms of cancer to affect Americans affect the prostate, breast and lungs, according to the Centers for Disease Control and Prevention. When you have cancer, a healthy diet can support your strength, help prevent additional health problems and help you feel better throughout recovery.
Protein-Rich Foods
Protein provides amino acids -- the building blocks of lean tissue. Your body uses protein from foods to build and repair blood, muscle, skin and bones and for improved immune system strength. Cancer often increases your need for protein, according to the American Cancer Society, in order to heal properly from surgery, chemotherapy and radiation treatment and to fight infections. High-quality sources of protein include lean meats and poultry, fish and seafood, dairy products, nuts, soy foods and legumes, such as beans, split-peas and lentils. If you have difficulty eating solid foods or struggle with reduced appetite, adding whole, low-fat or powdered milk to smoothies, soups, oatmeal and other dishes can help keep you meet your protein and calorie needs.
Whole Grains
Whole grains are grains that have not been stripped of vital nutrients, such as B vitamins and iron, and fiber during food processing. As complex carbohydrates, whole grains have a mild impact on your blood sugar levels and supply glucose -- your body's primary energy source. To aid recovery and counteract tiredness and lethargy associated with cancer, incorporate whole grains into meals and snacks regularly. Replacing enriched breads and snack foods with whole grains can also help prevent or alleviate constipation. Examples of nutritious whole grain foods include 100 percent whole grain breads, whole wheat pasta, cooked barley, brown rice, wild rice, old-fashioned oatmeal, bran muffins, whole grain cold cereals and air-popped popcorn.
Fruits and Vegetables
Fruits and vegetables provide rich amounts of vitamins, minerals and antioxidants -- nutrients that help prevent cancer-causing free radicles from attacking healthy cells. Eating a variety of fruits and vegetables is a useful way to increase your antioxidant intake, according to the American Cancer Society, particularly since antioxidant supplements are often discouraged during cancer treatment. Fruits and vegetables rich in antioxidants include berries, cherries, bell peppers, citrus fruits, red plums and grapes, kiwi, cantaloupe, papaya, mangos, tomatoes, leafy greens, broccoli, brussels sprouts, sweet potatoes and squash.
Healthy Fats
Fats help your body absorb certain nutrients, including the antioxidant vitamin E. Since saturated fats are associated with increased cancer risk, choose healthy sources, such as nuts, seeds, olive oil, canola oil, avocado and fatty fish, such as salmon and albacore tuna, most often. Using healthy cooking methods, such as broiling, grilling in olive oil and baking in place of frying provides additional benefits.
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