Butter is not recommended for breast cancer

butter

Made from milk, butter is a rich dietary source of vitamin A and conjugated linoleic acid (CLA), both of which have been shown to have anticarcinogenic properties. However, butter consumption has been found to be associated with increased risks of leukemia, as well as oral, esophageal, thyroid, stomach, pancreatic, endometrial, colorectal, prostate and testicular cancer. In addition, consumption of butter (which has a high saturated fat content) has been found to be associated with increased risk of cardiovascular disease and heart attacks in women as well as in men.

Breast cancer-related effects of consuming butter

Although not all studies of the relationship between breast cancer and dairy foods have found a positive association between butter intake and the risk of breast cancer, many have. Women in the Nurses' Health Study who consumed more butter during high school have been found to have a higher risk of breast cancer in adulthood. Another study found that butter consumption was associated with increased risk of recurrence of early stage breast cancer, especially among premenopausal breast cancer cases. Other U.S, Canadian and European studies have found the use of butter in soups or sauces (i.e., boiled butter), butter at the dinner table, and butter used for frying food to be associated with higher risk of breast cancer. High intake of animal fats has been linked in several studies to increased breast density, a risk factor for breast cancer and recurrence.

Additional comments

Ghee is a type of clarified butter used in South Asian and middle Eastern cuisine. To make ghee, the water and milk solids are removed from butter by heating to eliminate the water and straining. Consumption of ghee has been associated with cardiovascular disease in India; ghee has an even higher saturated fat content than butter. One Iranian study reported that women with the highest intake of ghee had double the risk of breast cancer as those with the lowest level of consumption.

Below are links to recent studies concerning this food. For a more complete list of studies, please click on butter.

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Selected breast cancer studies




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