Useful material for diet in cancer:

• Diet - before, during and after Cancer treatment
• ESPEN practical guideline: Clinical Nutrition in cancer
• ESPEN practical guideline: Clinical Nutrition in cancer
• The Cancer Fighters in Your Food

The Role of Diet in Cancer Treatment: Fueling Recovery and Strength

Diet as a cornerstone in cancer care

Diet plays a crucial role in cancer treatment, supporting the body’s resilience, optimizing therapy outcomes, and improving overall quality of life. A well-balanced diet during cancer treatment helps:

1. Boost Energy Levels: Cancer treatments like chemotherapy, radiation, and surgery can be physically draining. Proper nutrition replenishes lost energy and aids recovery.
2. Support Immune Function: Nutrients such as vitamins A, C, and E, along with minerals like zinc, strengthen the immune system, enabling the body to fight infections and recover faster.
3. Combat Treatment Side Effects: Side effects like nausea, appetite loss, or taste changes can be mitigated with tailored dietary plans, ensuring patients maintain their nutritional intake.
4. Improve Therapy Response: Nutrient-dense diets may enhance the effectiveness of cancer treatments, ensuring the body can cope better with therapeutic demands.

Key dietary recommendations during cancer treatment

1. Prioritize whole, nutrient-dense foods: Include fruits, vegetables, lean proteins, whole grains, and healthy fats. These foods supply essential nutrients that the body needs for repair and recovery.
2. Hydration: Adequate fluid intake is critical for managing side effects like dehydration caused by certain therapies. Water, herbal teas, and clear broths are excellent choices.
3. Small, frequent meals: For those struggling with appetite, smaller portions eaten throughout the day can prevent malnutrition and maintain energy.
4. Personalized approach: Diet should be tailored to individual needs, considering the type of cancer, stage of treatment, and any food-related side effects or restrictions.

Emerging research on diet and cancer treatment

Scientific studies highlight the potential of specific dietary components in cancer care:

• Plant-based diets: Rich in antioxidants and phytochemicals, they may reduce oxidative stress and inflammation, factors linked to cancer progression.
• Omega-3 fatty acids: Found in fatty fish, flaxseeds, and walnuts, they are believed to help combat cancer-related inflammation and weight loss (cachexia).
• Probiotics and gut health: A balanced microbiome supports immune function, and probiotic-rich foods like yogurt and fermented vegetables can enhance gut health during treatment.

Collaboration with healthcare providers

Patients should work closely with oncologists and dietitians to develop a diet plan that complements their treatment regimen. A registered dietitian can address specific concerns such as malnutrition, weight changes, or food intolerances.

While diet is not a standalone cure for cancer, it is a vital component of comprehensive cancer care. By providing the body with essential nutrients, managing treatment side effects, and supporting overall well-being, a thoughtful dietary plan can make a significant difference in a patient’s cancer journey.

For personalized dietary advice, consult our expert nutritionists as part of our integrative cancer care program.