A number of foods have shown promise. For example, a 2010 lab study of highly aggressive breast-cancer cells showed that substances in blueberries could slow the spread of diseased cells and even cause them to die.
A few studies link eating cruciferous vegetables like broccoli, cauliflower and kale (a type of cabbage) to lower rates of breast cancer. However, ‘There isn’t definitive evidence that any one particular food lowers your risk for breast cancer,’ says oncology professor Mary Disis.
Combining healthy foods may hold greater hope – that’s one reason cancer experts recommend eating a large variety of fruit and veg. Another reason? ‘A plant-based diet helps maintain a healthy weight, which is known to be important in lowering breast-cancer risk,’ says Marsha Hakim, a clinical dietitian.