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The Best Foods to Eat During Radiation Treatment for Cancer

by
author image Nadia Haris
Nadia Haris is a registered radiation therapist who has been writing about nutrition for more than six years. She is completing her Master of Science in nutrition with a focus on the dietary needs of oncology patients.
The Best Foods to Eat During Radiation Treatment for Cancer
A smoothie made of fresh fruits and vegetables may be easier to swallow than raw produce. Photo Credit John_Kasawa/iStock/Getty Images
Medically Reviewed by
Brenda Spriggs, MD, MPH, MBA

Severe weight loss and dehydration during radiation treatment is common, particularly if you are undergoing therapy for cancers of the head and neck. Eating a nutrient-dense diet and keeping up your weight is vital to your battle and recovery during and after treatment. Choose healthy, whole foods that you enjoy eating to replenish and energize your body.

Proteins to Heal Cells

Protein is the building material of your body, and is necessary for healing and rejuvenating your body. It is particularly important to get sufficient amounts of protein-rich foods during all the stages of your cancer treatment and recovery. A review published in "CA," a journal for clinicians, recommends that patients in recovery get at least 10 percent of their daily calories from proteins. The best sources of protein include low-fat meat, poultry, fish, eggs, low-fat milk and dairy products, legumes and nuts.

Fuel Up With Healthy Carbs

Carbohydrates are your body's primary source of fuel; you need plenty of energy to sustain your body during radiation treatment. Healthy carbs, such as whole grains, legumes, vegetables and fruit, are rich in essential nutrients, antioxidants and dietary fiber. Avoid refined and sugary carbohydrates such as white bread, pasta and rice, chips, biscuits and baked goods, which cause your blood sugar levels to spike and lead to fatigue. These carbs can damage how your body uses insulin, the hormone that helps to balance blood-sugar levels. According to the journal "CA," sugary foods may also increase your risk for certain cancers.

Reduce Nausea and Vomiting

Nausea and vomiting are common side effects of radiation therapy and other cancer medications. These conditions can lead to a loss of appetite and harmful weight loss. Stanford Medicine recommends choosing foods that are easy to digest and help soothe an upset stomach. These include toast, pretzels, yogurt, oatmeal, noodles, baked chicken, and soft or canned fruit. You can also reduce nausea by sticking to clear liquids, such as broth, clear carbonated beverages, apple juice, plain gelatin, tea, water and ice chips.

Meal Ideas

The American Cancer Society recommends eating small meals every two to three hours to keep your energy up and stave off nausea. Make each meal filling and nutrient-dense by adding protein powder to your food, smoothies and milkshakes. Cook, steam, blend or puree firmer foods to make them easier to chew and swallow. Consult your doctor or nutritionist if you cannot control your nausea and vomiting or have difficulty eating.

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