A recently published study by the World Cancer Research Fund points out that the relationship between obesity and cancer is closer than people generally know. The researchers listed six types of cancers that are more affected by obesity: esophageal cancer, pancreatic cancer, rectal cancer, uterine cancer, kidney cancer and breast cancer. The findings of the study, which synthesized 7,000 studies on the causes of cancer around the world, took five years to come to fruition. The study concluded that the role of obesity in cancer is multifaceted, one of which is that excess fat affects the body’s hormonal balance. Fat cells release estrogen, which increases the risk of breast cancer in obese women. Additionally, studies have shown that fat cells around the waist contribute to the body’s production of growth hormone, which increases the risk of cancer. The importance of plant-based diets The UK-based World Cancer Research Fund (WCRF) put forward 14 dietary recommendations in the report “Food, Nutrition and Cancer Prevention”, which can be used as a reference for cancer prevention: 1. Consume a nutrient-rich and plant-based diet. Choosing a plant-based diet rich in various fruits, vegetables and legumes does not mean that it must be vegetarian, however, plant-based foods should account for more than 2/3 of the meal. 2. Maintain appropriate body weight: Avoid underweight or overweight, and limit weight gain throughout adulthood to less than 5 kilograms. 3. Insist on physical activity: If you are engaged in light or moderately physically active occupations, you should take a brisk walk or similar exercise for about one hour a day, and schedule at least one hour of more strenuous sweating exercise each week. 4. Encourage the consumption of more vegetables and fruits throughout the year so that they provide up to 7% of total energy. 5, the choice of starch and protein-rich plant-based staple foods, should account for 45% to 60% of the total energy, refined sugar provided by the total energy should be limited to less than 10%. Individuals should have a daily intake of 600 grams to 800 grams of starchy food, and should also try to use roughly processed food. 6, do not drink alcohol, especially should not excessive drinking. If alcohol is consumed, it should be limited to 2 cups for men and 1 cup for women. Women, children and adolescents should not drink alcohol. 7, meat food in the red meat (refers to beef, lamb, pork and its products) intake should be less than 10% of the total energy, should be less than 80 grams per day, the best choice of fish and poultry. 8.Total fat and oil should account for 15% to 30% of the total energy, limit the fat content, especially animal fat content of food, vegetable oil should also be moderate, and should choose to contain monounsaturated fats and hydrogenation degree of vegetable oil is low. Limit salt: Adults should not consume more than 6 grams of salt per day from all sources, including salted foods. 10, minimize mold contamination of food, should avoid eating contaminated by mycotoxins or long-term storage of food at room temperature. 11. Food preservation: Foods that are susceptible to spoilage should be refrigerated or preserved in other appropriate ways both at the time of purchase and at home. 12. Food additives and various chemical pollutants should be noted for their safe dosage, and indiscriminate or improper use may affect health. 13, nutritional supplements: supplements can not reduce the risk of cancer, most people should get a variety of nutrients from the diet, rather than nutritional supplements. 14. Food preparation: Cook meat and fish at lower temperatures when eating them, do not consume burnt meat and fish, and do not consume sizzling, smoked and smoky fish on a regular basis. In addition to the 14 recommendations for diet, people are also advised not to smoke.