
Foods for cancer prevention
4. green tea
Anti-cancer ingredients: catechins, polyphenols, flavonol quercetin, L-theanine.
Anti-cancer effect: tea polyphenols can directly prevent the development of various types of cancer, turn off carcinogens, reduce tumor growth and prevent the spread of cancer cells. According to research, drinking tea can temporarily increase the antioxidant activity of cells, and drinking more tea can reduce the risk of colon, prostate and bladder cancer.
How much to eat: a bottle of green tea is about 650 ml per day and the maximum intake of catechins is 800 mg per day, with commercially available bottled green tea containing 15-92 mg of catechins per ml.

Cancer-fighting foods
5. flaxseed
Anti-cancer components: fibre, lignans, alpha-linolenic acid, gamma-tocopherol.
Cancer preventive effect: flaxseed is rich in fibre, research suggests that fibre may produce substances that protect colon cells; alpha-linolenic acid may be anti-inflammatory, may reduce the risk of colon cancer; lignans are phytoestrogens. According to research, newly diagnosed breast cancer patients who consumed flaxseed for one month had a significant reduction in the number of cancer cells.
How much to eat: 2 to 4 tablespoons a day.
How to eat: Ground flaxseed can release more nutrients and can be stored in the refrigerator for up to 4 months, whisked into fruit and vegetable juices, or sprinkled on yogurt.