Leena Watts
A cancer diagnosis can be life-altering, and it's important to know how to take care of yourself during this challenging time. Your diet plays a crucial role in how you feel during treatment, and it can help you manage side effects such as appetite loss, nausea, and constipation. Eating a balanced diet with lean proteins, fruits, vegetables, whole grains, and low-fat dairy is generally recommended. It's also essential to stay hydrated, maintain a healthy weight, and be mindful of food safety to prevent infections. While there is no special diet to cure cancer, making dietary changes can help you feel better and give your body the strength it needs to fight the disease.
How should I change my diet when fighting cancer?
| Characteristics | Values |
|---|---|
| Loss of appetite | Eat small meals or nutritious snacks throughout the day |
| Constipation | Drink plenty of water, consider a fiber supplement, and add veggies and beans to your meals |
| Diarrhea | Choose foods or drinks with sodium (sports drinks or broth) and potassium (bananas and all-natural fruit juices) |
| Loss of taste | Try new foods with different spices or marinades, add strong flavors such as lemon or lime juice |
| Nausea | Eat anti-nausea foods such as citrus, ginger, and peppermint oil |
| Malnutrition | Focus on foods with enough calories and nutrients to stay strong, such as lean proteins, fruits, vegetables, whole grains, and low-fat dairy |
| Weakened immune system | Take special care in the way you handle and prepare food, keep foods at safe temperatures, scrub raw vegetables and fruits, and use separate utensils, plates, and cutting boards when preparing meats and produce |
| High cancer risk | Limit alcohol consumption, follow a Mediterranean-style diet, reduce sugar intake, increase fiber intake, and maintain a healthy weight |
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What You'll Learn
- Eat a balanced diet with lean proteins, fruits, vegetables, whole grains, and low-fat dairy
- Avoid raw or undercooked meat, fish, and poultry, as well as unpasteurized foods and drinks
- Manage side effects like nausea with anti-nausea foods and drinks such as ginger, citrus, and peppermint oil
- Stay hydrated with plenty of water and fresh juices to prevent dehydration, especially during chemotherapy
- Consult a doctor or dietitian for guidance on dietary adjustments and safe food preparation methods
Eat a balanced diet with lean proteins, fruits, vegetables, whole grains, and low-fat dairy
A healthy, balanced diet is important for anyone, but especially for those fighting cancer. A balanced diet can help you maintain a healthy weight, which is crucial as obesity is a risk factor for many different cancers.
When it comes to lean proteins, fruits, vegetables, whole grains, and low-fat dairy, here are some recommendations to consider:
Lean Proteins
It is important to vary your protein sources and ensure you are getting enough plant-based proteins. Plant-based proteins offer high levels of vitamins and minerals and tend to contain helpful nutrients like fiber, which is associated with a reduced risk of health conditions such as high cholesterol, high blood pressure, heart disease, and stroke. Good plant-based protein sources include beans, lentils, nuts, seeds, and soy products. If you do eat animal proteins, opt for lean options like chicken, fish, or white meats.
Fruits and Vegetables
Filling two-thirds of your plate with fruits and vegetables is a good rule of thumb. Frozen fruits and vegetables are a great option, too, as long as they are not packed in sauce or juice. They can be more affordable and just as nutritious as fresh produce.
Whole Grains
Choose whole grains like brown rice, farro, bulgur, sorghum, and quinoa instead of refined grains. Whole grains provide more nutrients, fiber, and health-promoting phytochemicals. They are also linked to a reduced risk of weight gain and certain cancers, such as colorectal cancer.
Low-Fat Dairy
When it comes to dairy, opt for low-fat or skimmed options. High-fat dairy products have been linked to a higher risk of mortality after a breast cancer diagnosis, whereas low-fat dairy intake has been associated with a lower risk.
Remember, it is always best to consult with a healthcare professional or a registered dietitian to get personalized advice based on your specific needs and cancer treatment plan. They can help you plan meals that give you the right number of calories and nutrients and ensure you are getting enough protein, healthy fats, whole grains, vitamins, and minerals.
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Avoid raw or undercooked meat, fish, and poultry, as well as unpasteurized foods and drinks
It is important to be aware of what you eat and drink during cancer treatment. This is because your body needs enough calories and nutrients to stay strong, but the disease can make it hard to get what you need. Eating a balanced diet with lean proteins, fruits, vegetables, whole grains, and low-fat dairy is recommended.
Cancer treatments can weaken your immune system, making it harder to fight infections, including foodborne illnesses. Therefore, it is crucial to avoid raw or undercooked meat, fish, and poultry. These foods, when consumed raw or undercooked, may contain harmful bacteria such as salmonella or listeria, which can cause serious infections. Cooking meat, fish, and poultry thoroughly kills these bacteria, making the food safe to eat. It is also advisable to avoid raw or undercooked eggs and unpasteurized dairy products, such as milk and cheese, as they can also harbour harmful bacteria.
Unpasteurized beverages, such as certain fruit juices, should also be avoided. Pasteurization is a process that kills harmful bacteria in food and drinks, and opting for unpasteurized options increases the risk of consuming dangerous bacteria, which can lead to foodborne illnesses.
In addition to avoiding raw or undercooked animal products and unpasteurized foods and drinks, it is essential to practice good food safety habits. This includes keeping foods at safe temperatures, scrubbing raw fruits and vegetables, and using separate utensils, plates, and cutting boards when preparing different types of food, especially meat and produce.
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Manage side effects like nausea with anti-nausea foods and drinks such as ginger, citrus, and peppermint oil
Nausea is a common side effect of cancer treatment, and certain foods and drinks can help to manage it. It is important to be aware of what you are consuming during cancer treatment and prepare your own meals where possible, so you know exactly what you are putting into your body.
Firstly, it is recommended to eat small meals or snacks throughout the day, rather than three large meals, to help with nausea. Liquids are also a good way to get nutrients into your body when you are feeling nauseous. Sip on drinks such as ginger tea, or suck on ice cubes made from ginger tea, to slowly introduce fluids and nutrients into your body. You can also try flat soda, sports drinks, or broth. Cold, clear liquids are often the easiest on the stomach. If you are vomiting, sip on cool liquids such as iced tea, water, or tonic water, and eat dry toast, crackers, or pretzels when the vomiting stops.
Ginger, in the form of tea, chews, or candies, is a well-known natural remedy for nausea. You can also suck on slices of lemon or lemon candies, or drink lemonade or other citrus juices, as citrus is another anti-nausea food. Peppermint oil is also recommended to help with nausea.
It is also important to avoid certain foods and drinks when feeling nauseous. Greasy, fried, and fatty foods are often the worst offenders, along with strong-smelling foods. It is also recommended to avoid raw or undercooked meat, fish, and poultry, as well as unpasteurized foods and drinks, due to the risk of foodborne illnesses.
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Stay hydrated with plenty of water and fresh juices to prevent dehydration, especially during chemotherapy
Chemotherapy and radiation therapy are the most common traditional cancer treatment options, and they can impact the body's hydration levels significantly. These treatments can affect the cells lining the digestive tract, causing vomiting, diarrhea, and a loss of fluids and electrolytes. As a result, individuals may suffer from dehydration, especially when they do not take enough fluids to replace what they have lost. Chemotherapy can also impact kidney functions, hampering the body's ability to regulate fluid and electrolyte levels, and radiation therapy can cause inflammation and damage to the salivary gland.
Staying hydrated is therefore very important for those undergoing cancer treatment. Dehydration can lead to serious complications if left untreated, and cancer patients are at a heightened risk of dehydration due to symptoms like fever, vomiting, and diarrhea. It is recommended that individuals drink at least eight 8-ounce glasses of water per day to ensure adequate hydration, but this may differ for each person based on their age, health condition, and side effects from treatment. It is crucial to talk to a healthcare provider for proper guidance.
To prevent dehydration, individuals can incorporate foods with high water content into their diet, such as watermelon, cucumbers, lettuce, celery, spinach, tomatoes, and other citrus fruits. Soups, broths, smoothies, and natural, fresh fruit juices are also excellent sources of hydration. Caffeine and alcohol should be avoided as they can contribute to dehydration. Individuals can opt for green tea or other healthy beverages as recommended by their healthcare provider or dietitian. Oral rehydration solutions like Pedialyte can also help replenish lost fluids and electrolytes.
It is important to pay attention to the color of urine, as dark or concentrated urine may indicate dehydration, while pale or clear urine means adequate hydration. Individuals should also monitor their weight, as sudden weight loss can be a sign of dehydration.
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Consult a doctor or dietitian for guidance on dietary adjustments and safe food preparation methods
It is important to consult a doctor or dietitian for guidance on dietary adjustments and safe food preparation methods. They can provide personalized advice and support throughout your cancer journey. Here are some reasons why seeking professional guidance is essential:
Dietary Adjustments:
- Assessing Your Nutrition Status: A doctor or dietitian can assess your nutrition status and identify any risks of malnutrition. They may ask about your current diet, weight changes, and any eating difficulties. Based on this information, they can provide tailored recommendations to ensure you're getting adequate nutrition.
- Managing Side Effects: Cancer treatments can cause various side effects, such as appetite loss, constipation, diarrhea, loss of taste, and nausea. A dietitian can advise on dietary adjustments to manage these side effects. For example, they may suggest small meals or nutritious snacks throughout the day for appetite loss, or recommend specific foods and drinks to help with nausea, such as ginger or peppermint oil.
- Safe and Effective Weight Management: Weight changes are common during cancer treatment. A doctor or dietitian can help you manage these changes effectively. They can advise on healthy ways to gain or maintain weight, ensuring you receive adequate calories and nutrients to stay strong.
- Individualized Diet Plans: Everyone's cancer experience is unique, and a dietitian can create a personalized diet plan that considers your specific cancer type, treatment, and symptoms. They can guide you in selecting foods that provide the nutrients you need while accommodating any dietary restrictions or preferences.
Safe Food Preparation Methods:
- Preventing Foodborne Illness: Cancer treatments, such as chemotherapy, can weaken your immune system, making you more susceptible to foodborne illnesses. A doctor or dietitian can educate you on safe food handling and preparation techniques to minimize the risk of infection. This includes advice on food temperatures, separating utensils and cutting boards, and thoroughly washing fruits and vegetables.
- Nutrition During Advanced Cancer: In the advanced stages of cancer or at the end of life, nutritional needs may change. A doctor or dietitian can advise on nutrition support options, such as tube feeding or IV nutrition, and help you understand the benefits, risks, and cultural preferences associated with these decisions.
- Medicine Interactions: Certain medications used during cancer treatment can impact your appetite or nutrition absorption. A doctor or dietitian can advise on how these medicines may affect your diet and recommend appropriate adjustments.
Remember, while it's important to seek guidance from medical professionals, you can also take initiative by staying informed about nutrition and cancer. Understanding the potential side effects of treatment and how dietary choices can help manage them will empower you to make healthier decisions.
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Frequently asked questions
It's important to eat a balanced diet with lean proteins, fruits, vegetables, whole grains, and low-fat dairy. You may also want to consider dietary changes to help manage side effects like appetite loss, constipation, diarrhea, loss of taste, and nausea.
For appetite loss, eat small meals or nutritious snacks throughout the day. For constipation, drink plenty of water, consider a fiber supplement, and add veggies and beans to your meals. For diarrhea, choose foods or drinks with sodium and potassium.
For loss of taste, try new foods with different spices or marinades, and add strong flavors like lemon or lime juice. For nausea, consume foods like citrus, ginger, and peppermint oil, and drinks like ginger tea.
Eat at least 2.5 cups of fruits and vegetables a day, especially dark green and deep yellow veggies, and citrus fruits. Choose lean animal proteins like chicken and fish, and include plant-based proteins. Limit red meat to no more than 18 ounces per week, and avoid burning or charring it. Avoid raw or undercooked meat, fish, and poultry, and unpasteurized food and drinks. Limit added sugar to less than 10% of your daily calories.
