How to Starve Cancer: Without Starving Yourself Eat a plant-based diet: Fruits, vegetables, and whole grains are packed with nutrients that can help fight cancer. Avoid processed foods: These foods are often high in sugar, unhealthy fats, and chemicals that can promote cancer growth. Choose lean protein sources: Fish, chicken, and beans are good sources of protein that won't feed cancer cells. Limit sugar intake: Sugar can feed cancer cells and promote inflammation. Drink plenty of water: Water helps flush out toxins and keep your body hydrated. Get regular exercise: Exercise can help boost your immune system and reduce inflammation. Manage stress: Stress can weaken your immune system and make you more susceptible to cancer. Get enough sleep: Sleep is essential for your body to repair itself and fight off disease. * Consider supplements: Some supplements, such as vitamin D and curcumin, may have anti-cancer properties.