Why Eating Yogurt Daily May Reduce the Risk of Developing Breast Cancer

Scientists postulate that one of the causes of breast cancer may be due to inflammation triggered by harmful bacteria. A paper published in the journal Medical Hypotheses proposes that women should consume yogurt on a daily basis to mitigate their breast cancer risk.

The researchers explained that: “There is a simple, inexpensive potential preventive remedy; which is for women to consume natural yoghurt on a daily basis.”

Several other studies have shown that the consumption of yogurt is linked with a reduction in the risk of breast cancer, which the researchers suggest may be due to the displacement of harmful bacteria by beneficial bacteria. They believe in yogurt as possible preventative measure for breast cancer because contains beneficial lactose fermenting bacteria commonly found in milk, similar to the bacteria – or microflora- found in mothers who breastfeed. They suggest that this lactose fermenting bacteria is protective because breast feeding is known to reduce the risk of breast cancer by more than 4%.

One of the study’s lead researchers, Dr. Rachel Rigby said in a press release that: “We now know that breast milk is not sterile and that lactation alters the microflora of the breast. “Lactose fermenting bacteria are commonly found in milk and are likely to occupy the breast ducts of women during lactation and for an unknown period after lactation.”

The researchers conclude that: “The stem cells which divide to replenish the lining of the breast ducts are influenced by the microflora, and certain components of the microflora have been shown in other organs, such as the colon and stomach, to increase the risk of cancer development.”


“Therefore, a similar scenario is likely to be occurring in the breast, whereby resident microflora impact on stem cell division and influence cancer risk.”