According to the researchers from Loma Linda University, drinking of moderate amount of dairy milk can increase women’s risk of developing breast cancer up to 80% after studying different types of milk.
Credit Image: home.llu.edu
Dr Gary Fraser, who led the study, said:
“Consuming as little as 1/4 to 1/3 cup of dairy milk per day was associated with an increased risk of breast cancer of 30%.”
“By drinking up to one cup per day, the associated risk went up to 50%, and for those drinking two to three cups per day, the risk increased further to 70% to 80%.".
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They followed for nearly eight years the diet of almost 53,000 cancer-free women in the US. At the end of the eight years, 1,057 women had been diagnosed with breast cancer. They discovered strong link between full fat or nonfat milks consumption and breast cancer compared to soy products.
Credit Image: everydayhealth.com
Dr Fraser said:
“Dairy foods, especially milk, were associated with increased risk, and the data predicted a marked reduction in risk associated with substituting soymilk for dairy milk. This raises the possibility that dairy-alternate milks may be an optimal choice.”
They also suggest that it may be due to the presence of sex hormones.
Dr Kotryna Temcinaite, Research Communications Manager at Breast Cancer Now, highlighted that the study doesn't prove a conclusive link.
"While this US-based research suggests that consuming larger amounts of some dairy products could be linked to a higher risk of breast cancer, it does not prove a conclusive link. Currently, there is no definitive evidence about whether and how dairy products in the diet may affect someone’s chances of developing breast cancer.”
Credit Image: cancercenter.com
She also commented:
“This is a large study; however, people’s diets were only recorded once at the start of the research and some of their habits may have changed over the eight-year period. Further research into soy and dairy products is now needed to understand if any specific elements in these foods could potentially be involved in a woman’s risk of developing breast cancer.”
"What we do know is that maintaining a healthy weight over your lifetime, limiting the amount of alcohol you drink and being physically active can all help to reduce the risk of developing breast cancer - even small changes are a great start.”
“Anyone concerned about their diet or breast cancer risk can call our free Helpline on 0808 800 6000 and speak to one of our nurses.”
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